জব প্রিপারেশন

2101 Math

A shopkeeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of the cost price and the printed price of the book is -

A)45:56:00

B)45:51:00

C)47:56:00

D)47:51:00

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2102 Math

The selling price of an article after giving two successive discounts of 10% and 5% on the marked price is TK. 171 . What is the marked price ?

A)Tk. 240

B)Tk. 220

C)Tk. 200

D)Tk. 250

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2103 Math

If A and B together can complete a work in 18 days, A and C together in 12 day and B and C together in 9 days, then B alone can do the work in -

A)24 days

B)18 days

C)30days

D)40 days

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2104 Math

A tank can be filled with water by two pipes A and B together in 36 minutes, the tank is filled in 40 minutes. The pipe B can alone fill the tank in -

A)45 munutes

B)60 munutes

C)75 minutes

D)90 munutes

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2105 Math

In a 729 liters mixture of milk and water , the ratio of milk to water is 7:2 To get a new mixture containing milk and water in the ratio 7:3 the amount of water to be added is -

A)71 liters

B)81 liters

C)56 liters

D)50 liters

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2106 Math

In what ratio must a grocer mix two varieties of pulses costing Tk. 15 and TK. 20 per kg respectively so as to get a mixture worth Tk. 16.50 kg?

A)3:07

B)5:07

C)7:03

D)7:05

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2107 Math

Three partners shared the profit in a business in the ratio 5 : 7 : 8 . They had partnered for 14 months, 8 months and 7 moths respectively . What was the ratio of their investments ?

A)5:07:08

B)0.868101852

C)38:28:21

D)None of these

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2108 Math

A and B invest in a business in the ratio 3:2 . If 5% of the total profit goes to charity and A's share is Tk. 855 the total profit is -

A)Tk. 1425.00

B)Tk.1537.50

C)Tk. 1576.00

D)Tk. 1500.00

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2109 Math

The sum of ages of 5 children born at the intervals of three years each is 50 years what is the age of the youngest child?

A)4 years

B)8 years

C)9 years

D)None of these

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2110 Math

Six years ago, the ratio of ages of Kunal and Sagars was 6 : 5. Four years hence, the ratio of their ages will be 11 : 10. what is Sagar's age at present ?

A)18 years

B)20 years

C)16 years

D)22 years

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2111 Math

The price of 10 chairs is equal to that of 4 tables . The price of 15 chairs and 2 tables together is Tk. 4000. The total price of 12 chairs and 3 tables is-

A)TK. 3500

B)Tk. 3750

C)Tk. 3840

D)None of these

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2112 Math

If m and n are whole numbers such that

A)1000

B)121

C)10

D)1

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2113 Math

A pump can fill a tank with water in 2 hours . Because of a leak , it took hours to fill the tank.The leak can drain all the water of the tank in -

A)hours

B)14 hours

C)7 hours

D)8 hours

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2114 Math

The difference between simple and compound interest on a sum of money at 20% per annum for 3 years is Tk. 48. What is the sum ?

A)Tk. 550

B)Tk. 500

C)Tk. 375

D)Tk. 400

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2115 Math

If A and B are in the ratio 3 : 4 and B and C in the ratio 12 :13 then A and C will be in the dratio-

A)3:13

B)36:13:00

C)13:09

D)9:13

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2116 Math

A bag contains an equal number of one rupee , 50 paisa and 25 paisa coins . If the total value is TK. 35 , how many coins of each type are there?

A)20

B)15

C)18

D)22

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2117 Math

If 40% of a number is equal to two -third of another number, what is the ratio of first number to the second number ?

A)2:05

B)5:03

C)3:05

D)7:03

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2118 Math

A man starts climbing a 11 m high wall at 5 pm. In each minute he climbs up 1m but slips down 50 cm. At what time will he climb the wall?

A)5:30 PM

B)5:25 PM

C)5:21 PM

D)5:27 PM

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2119 Math

Two trains of equal length , running in opposite directions, pass a pole in 18 and 12 seconds. The trains will cross each other in -

A)15.5 seconds

B)18.8 seconds

C)20.2 seconds

D)14.4 seconds

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2120 Math

A boat can travel with a speed of 13 km/hr in still water . If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream .

A)4 hours

B)3 hours

C)5 hours

D)2 hours

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2121 Math

A bag contains 4 white , 5 red and 6 blue balls. Three balls are drawn at rand dom from the bag .The probability that all of them are red.is :

A)

B)

C)

D)

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2122 Math

The ratio between the perimeter and the breadth of a rectangle is 5 :1 . If the area of the rectangle is 216 cm2. what is the lenth of the rectangle?

A)16 cm

B)24 cm

C)18 cm

D)None of these

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2123 Math

A)1

B)2

C)4

D)5

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2124 Math

A man sold his cow for Tk. 7920 and gained 10% . The buying price of the cow was:

A)7120

B)6020

C)7840

D)7200

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2125 Math

If Sufian's salary is 25% more than that of Habib , what is the ratio of the salary of Habib and Sufian ?

A)0.75

B)0.8

C)1.1

D)1.2

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2126 Math

What is 35% of

A)9

B)10

C)11

D)12

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2127 Math

What is the angle that is half of its own complement ?

A)

B)

C)

D)

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2128 Math

If 5a = 3b=20, then 45ab =

A)1200

B)1050

C)1100

D)1150

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2129 Math

How many times does the digits '4' come to write numbers from 10 to 100?

A)10

B)11

C)15

D)19

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2130 Math

Which of the following is the lowest positive integer that is divisible by 8,9,10,11 , and 12?

A)7,920

B)5,940

C)3,960

D)2,970

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2131 Math

If a and b are two different prime numbers , which of the following is the smallest possible value of a+b ?

A)1

B)3

C)5

D)8

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2132 Math

3xy -20 +5x -12y =?

A)(x-4) (3y+5)

B)(x+4)(3y+5)

C)(x+4)(3y -5)

D)(x+3)(3y+5)

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2133 Math

while working 7 hour a day , A alone can complete a piece of work in 6 days and B alone in 8 days . In what time would they complete it together , 8 hour a day?

A)5 days

B)3 days

C)4 days

D)3.6 days

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2134 Math

P and O invested in a business. The profit earned was divided in the ratio 2 :3 . If P invested TK. 40000, the amount invested by Q is -

A)Tk.40000

B)TK. 50000

C)Tk. 70000

D)TK. 60000

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2135 Math

A B C subscribe TK. 50,000 for a business .A subscribes TK. 4000 more than B and B TK, 5000 more than C Out of a total Profit of TK. 35,000. A receives

A)Tk. 14,700

B)Tk. 1,900

C)Tk. 13,600

D)TK. 8400

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2136 Math

The angle of elevation of a ladder leaning against a wall is and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is

A)2.3 m

B)9.2 m

C)4.6 m

D)7.8 m

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2137 Math

The sum of the present ages of a father and his son is 60 years . Six years ago, father's age was five times the age of the son. After 6 years, son's age will be -

A)12 years

B)14 years

C)18 years

D)20 years

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2138 Math

The sum of two numbers is 22 and the sum of their squares is 404, then the product of two numbers is -

A)40

B)44

C)80

D)88

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2139 Math

In a class , the number of girls is 20% more than that of boys. The strength of the class is 66. If 4 more girls are admitted to the class , the ratio of the number of boys to that of the girls is -

A)1:02

B)1:04

C)3:05

D)3:04

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2140 Math

If x: y =5:2 , then (8x+9y) : ( 8x +2y) is

A)29:22:00

B)22:29

C)26 : 61

D)61:26:00

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2141 Math

Two number are in the ratio 3:5 . If 9 is subtracted form each , the new numbers are in the ratio 1223. The smaller number is

A)27

B)33

C)49

D)55

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2142 Math

A monkey climbs a 60 m high pole.s In first minute he climbs 6 m and slips down 3 m in the next minute. How much time is required by it to reach the top?

A)35 minutes

B)33 mintutes

C)37 minutes

D)40 minutes

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2143 Math

Two trains 105 meters and 90 meters long, run at the speeds of 45 km/h and 72 km/h respectively , in opposite directions on parallel tracks. The time which they take to cross each other , is :

A)8 seconds

B)7 seconds

C)5 seconds

D)6 seconds

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2144 Math

The speed of a boat in still water in 15 km/hr and the rate of current is 3 km/hr. The distance traveled downstream in 12 minutes is

A)1.2 km

B)3.6 km

C)1.8 km

D)2.4 km

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2145 Math

A bag contains 2 red, 3 green and 2 blue balls .Two balls are drawn at random. What is the probability that none of the balls drawn is blue?

A)7-May

B)7-Feb

C)21-Oct

D)21-Nov

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2146 Math

The length of a rectangular plot is 20 meters more than its breadth . If the cost of fencing the plot at TK. 26.50 per meter is TK. 5300, what is the length of the plot in meters?

A)6

B)100

C)75

D)50

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2147 Math

which one of the following numbers can be removed from the set S ={ 0, 2, 4,5.9) without changing the average of set S ?

A)0

B)2

C)4

D)5

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2148 Math

Find the least number of five digits which when divided by 40, 60, and 75 , leave remainders 31 ,51 and 66 respectively .

A)10196

B)10199

C)10197

D)10191

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2149 Math

A trader sells his goods at a discount 20% . He still makes a profit of 25% . If he sells the goods at the marked price only, his profit will be:

A)56. 25%

B)25.56%

C)50.25%

D)54.25%v

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2150 Math

The cost price of 19 articles is same as the selling price of 29 articles. What is loss percentage?

A)52.30%

B)35.00%

C)34. 48%

D)30.00%

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