জব প্রিপারেশন

15801 Math

The distance between two stations, Dhaka and Chittagong is 450 km. A train starts at 5 pm from Dhaka and moves towards chittagong at an average speed of 60 km/hr. Another train starts from Chittagong at 4:20 pm and moves towards Dhaka at an average speed of 80 km/hr. At what time will the two trains meet?

A)6:10 PM

B)7:05 PM

C)8:15 PM

D)6:35 PM

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15802 Math

The simple interest on a sum of money will be Tk. 600 after 10 years. If the principal is trebled after 5 year, what will be the total interest at the end of the tenth year?

A)Tk. 1200

B)Tk. 1500

C)Tk. 1800

D)Tk. 2400

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15803 Math

Which one of the following is the next number in the series : 7, 7, 14, 42, 168-----?

A)336

B)504

C)672

D)840

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15804 Math

12 year old Manick is three times as old as his brother Rahul. How old will Manick be when he is twice as old as Rahul?

A)14 years

B)16 years

C)18 years

D)20 years

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15805 Math

Lubana has purchased a square sheet of plywood of 289 square feet area. To cover a wall she must cut of two feet from side what is the area,in square feet of the wall?

A)225

B)230

C)235

D)240

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15806 Math

The average of the two-digit numbers which remain the same when the digits interchange their position is -

A)33

B)44

C)55

D)66

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15807 Math

If 15% of 40 is greater than 25% of a number by 2, then the number is-

A)12

B)16

C)20

D)24

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15808 Math

Chose the pair of numbers which comes next: 75,65,85,55,45,85,35.........

A)25,15

B)35,25

C)35,85

D)25,85

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15809 Math

If the sides of a square increase by 10%,how much will the area be increased in percentage ?

A)21%

B)22%

C)23%

D)24%

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15810 Math

If the average of 5 consecutive number is 12, what is the sum of the least and the grater of the integer?

A)10

B)24

C)12

D)14

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15811 Math

At a party,everyone shake hands with everybody else. If there were 66 handshakes, how many people were at the party?

A)33

B)34

C)32

D)31

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15812 Math

Three pipes P, Q and R can fill a tank in 6 hours. After running all three together for 2 hours, R is closed and P and Q can fill the remaining part in 7 hours. The number of hours taken by R alone to fill the tank is ---

A)10

B)12

C)14

D)16

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15813 Math

Present ages of Samad and Akmal are in the ratio of 5:4 respectively. three years later, the ratio of their ages will become 11:9 respectively. What is Akmal's present age in years?

A)24

B)27

C)29

D)40

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15814 Math

In a two-digit number, if it is known that its unit's digit exceeds its tens digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is ---

A)46

B)42

C)26

D)24

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15815 Math

Two trains are moving in opposite directions at 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train in seconds is ---

A)36

B)45

C)48

D)49

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15816 Math

In a 500 m race, the ratio of the speeds of two contestants Ajmal and Badal is 3:4. If Ajmal has a head start of 140 m then Ajmal wins by ---

A)10 m

B)20 m

C)30 m

D)60 m

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15817 Math

A machine P can paint one lakh books in 8 hours; machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines started operating at 9 A. M. while machine P is stopped at 11 A. M. and the reamaining two machines completed the work. Approximately at what time will the work (to print one lakh books) be finished?

A)11:30 A. M

B)12:00 noon

C)12:30 P. M.

D)1:00 P. M.

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15818 Math

Bridgeport is 924 miles from Danville. The distance between Danville to Cooper-town is three-fourths of the distance from Bridgeport to Danville. How many miles is it from Bridgeport to Coopertown?

A)231

B)1,155

C)1,617

D)693

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15819 Math

The Lions' Club has a traget of rising at least Tk 500,000. It has already raised Tk 100,000. The club is sponsoring a 'pitha' festival and charging Tk. 5000 per ticket. Which equation represents the number of tickets (t) that the club must sell to meet its target?

A)5t=500

B)5t=100

C)5t+100=500

D)(5+100)t=500

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15820 Math

A drink contains 20% cranberry juice, 20% raspberry juice and the rest i apple juice. You added 250 ml water in 750 ml of the drink. Now, what is the ratio of water to apple juice in the drink?

A)6:05

B)9:05

C)5:12

D)5:09

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15821 Math

A school committee consists of 2 teachers and 4 students. The number of different committees that can be formed from 5 teachers and 10 students is :

A)220

B)5,100

C)2,100

D)3,200

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15822 Math

Mohona deposits Tk 10,000 into a sacings account that pays interest at an annual rate of 8% compounded quarterly. After 6 months, how much interest has Mohona earned?

A)Tk 200

B)Tk 240

C)Tk 404

D)Tk 560

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15823 Math

At XYZ Company, the ratio of sales to gross profit is 4:3 and the ratio of gross profit to net profit is 3:1, what is the ratio of net profits to sales?

A)1:04

B)4:01

C)2:01

D)1:02

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15824 Math

The smallest of three consecutive even integers is 40 less than three times the largest. What is the largest of these integers?

A)18

B)10

C)15

D)14

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15825 Math

Asif can do a job in 15 hours, and Russel can do the same job in 9 hours. If they start doing the job together at 6 a.m., and Russel stops working at 9 a.m., at what time will Asif finish the job?

A)2 p. m

B)4 p. m.

C)5 p. m.

D)6 p.m

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15826 Math

A collection of books went on sale and two-third of them was sold for Tk 2.30 each. If none of the 36 remaining books were sold, what was the total amount received for the books that were sold?

A)180

B)135

C)90

D)60

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15827 Math

Rahim gave half of his stamps to Karim. Karim gave half of his stamps to Fatima. Fatima gave 1/4 of the stamps given to her to Tonmoy and kept the remaining 12. How many stamps did Rahim start with?

A)48

B)64

C)96

D)192

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15828 Math

One baker can beke either 2 large cakes or 35 small cakes per hour. How many bakers are needed to bake 20 large cakes and 700 small cakes in 3 hours?

A)12

B)15

C)8

D)10

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15829 Math

If is even, which of the following cannot be odd?

A)n+3

B)3n+1

C)n2-1

D)2(n+3)

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15830 Math

A worker is hired for 7 days, Each day, he is paid 10 taka more then what he is paid for the previous day of work. The total amount he was paid in the first 4 days of work equaled the total amount he was paid in the last 3 days. What was his starting pay?

A)90

B)138

C)153

D)160

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15831 Math

M is a girl and has the same number of brothers as sisters. N is a boy and has twice as many sisters as brothers, M and N are the children of Q. How many children does Q have?

A)2

B)3

C)5

D)7

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15832 Math

A cube of side 5cm is painted on all its side. It is sliced into 1 cubic centimeter cubes how many 1 cubic centimeter cubes will have exactly one of their sides painted?

A)9

B)61

C)98

D)54

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15833 Math

A group of 10 people plan to contribute equally to pay for a friend's gift that costs G dollars. If n additional people want to contribute to pay for the gift, the required contribution per person will be reduced by how many dollars?

A)Gn/(100+10n)

B)(10+n)/Gn

C)(10G + Gn)/n

D)(Gn+10G)/Gn-10

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15834 Math

If the average of a and b is 45, and the average of b and c is 35 then (a-c)=?

A)5

B)10

C)20

D)30

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15835 Math

In what ratio must a grocer mix two varieties of tea worth Tk 60 per kg and 65 per kg so that by selling the mixture at Tk 68.20 per kg he may gain 10%?

A)3:02

B)3:04

C)3:05

D)4:05

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15836 Math

A man can row three-quarters of a kilometre (km) against the stream in 11.25 minutes and down the stream in 7.5 minutes. The speed (in km/hr) of the man is still water is :

A)4 k km/hr

B)5 km/hr

C)6 km/hr

D)6.5 km/hr

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15837 Math

A train can travel 50% faster than a car. Both start from point A at the same time and reach point B, 75 kilometres (km) away from A at the same time. On the way, however, the train had lost about 12.5 minutes while stopping at the stations. What is the speed of the car?

A)120 km/hr

B)110 km/hr

C)100 km/hr

D)80 km/hr

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15838 Math

In dividing a number by 585, a student employed the method of short division. He divided the number successively by 5, 9 and 13 (factors of 585) and got the remainders 4, 8, 12 respectively. If he had divided the number by 585, what would have been the remainder?

A)24

B)144

C)292

D)584

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15839 Math

At present the total age of Rahim, Karim and Akkas is 81 years. what was their average age three years ago?

A)78 years

B)72 years

C)24 years

D)29 years

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15840 Math

Two bus tickets from cit A to B and three tickets from city A to C cost Tk 77 but three tickets from city A to B and two tickets from city A to C cost Tk 73. What are the fares for cities B and C from city A?

A)Tk 4, Tk 23

B)Tk 13, Tk 17

C)Tk 15, Tk 14

D)Tk 17, Tk 13

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15841 Math

An institute organized a fair and 1/5 of the girls and 1/8 of the boys of the institute participated in that fair. What fraction of the total number of students of that institute took part in the fair?

A)13-Feb

B)13/40

C)Jan-40

D)Can not be calculated

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15842 Math

A pineapple costs Tk 7 and a watermelon costs Tk 5. Rahim spent exactly Tk 38 on these fruits. What was the number of pineapples purchased?

A)2

B)3

C)4

D)Can not be calculated

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15843 Math

A woman says, "If you reverse my own age , the figures represent my husband's age. He is senior to me and the difference between our ages is one-eleventh of their sum." What is her age now?

A)23 years

B)34 years

C)45 years

D)50 years

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15844 Math

A is 3 years older than B and 3 years younger than C. B and D are twins. How older is C than D?

A)2 years

B)3 years

C)6 years

D)12 years

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15845 Math

In a garden, there are 10 rows and 12 columns of trees. The distance between any two trees is 2 m and a distance of 1m is left from all sides of the boundary of the garden. What is the length of the garden?

A)20 m

B)22 m

C)23 m

D)24 m

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15846 Math

In a cricket match, five batsmen A, B, C, D and E scored an average 36 runs. D scored 5 more than E; E scored 8 fewer than A; B scored as many as D and E combined; and B and C jointly scored 107. How many runs did E score?

A)62

B)45

C)28

D)20

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15847 Math

At a dinner party every two guests shared a bowl of rice between them, every three guests shared a bowl of vegetable between them and every four shared a bowl of meat between them. There were altogether 65 bowls. How many guests were present at the party?

A)60

B)65

C)90

D)100

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15848 Math

A tailor had a number of shirt pieces to cut from large piece pieces of fabric. He cut each large piece into 10 smaller pieces. He cut at the rate of 45 cuts per minute. How many large pieces would be cut in 24 minutes?

A)32

B)54

C)108

D)120

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15849 Math

A farmer built a fence around around his square plot. He used 27 fence poles on each side of the square. How many poles did he need altogether?

A)100

B)104

C)108

D)120

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15850 Math

In a city, 40% of the adults are illiterate while 85% of the children are literate. If the ratio of the adults to that of the children is 2:3, then what percent of the population is literate?

A)20%

B)25%

C)50%

D)75%

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