জব প্রিপারেশন

63851 Math

5% of which number is 25?

A)5

B)250

C)500

D)None of these

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63852 Math

Running at the same constant rate, 6 identical machines can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes?

A)648

B)1800

C)2700

D)None of these

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63853 Math

If 15 men working at same rate can make 27 baskets in an hour, how many baskets would 45 workers make in 40 minutes?

A)27

B)54

C)35

D)40

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63854 Math

The width of a rectangular field is 1/3 rd its length. What is the area of the field in square yards if its length is 120 yards?

A)480

B)5000

C)2400

D)4800

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63855 Math

If one number exceeds another by 13 and the larger number, is 3/2 times the smaller number, then the smaller number is ---

A)13

B)26

C)31

D)39

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63856 Math

If Arif takes 5 minutes to make a box and Kalam takes 6 minutes to make the same box, what will be the ratio of the number of boxes produced by Airf to the number of boxes produced by Kalam if they work for 2 hours?

A)6 to 5

B)7 to 5

C)5 to 7

D)5 to 6

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63857 Math

Murad bought equal numbers of 20-paisa and 30-paisa stamps. If the total cost of the stamps was Tk. 10.00 what was the total number of stamps bought?

A)25

B)34

C)40

D)46

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63858 Math

If X is an odd integer and Y is an even integer, which of the following statements is true?

A)X+Y is odd

B)XY is odd

C)2X+Y is odd

D)None of these

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63859 Math

A club has member. If the club wants to form a committee of 4 members, how many different committees can be formed?

A)1680

B)896

C)3136

D)None of these

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63860 Math

One dozen of eggs and ten pounds of apples are currently of the same price. If the price of egg increase by 10% and the price of apple increase up by 2% how much more will it cost to buy a dozen of eggs and ten pounds of apples?

A)2%

B)12%

C)6%

D)10%

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63861 Math

If 40% of all women are voters and 52% of the population are women, what percent of the population are female avoters?

A)19.2

B)40

C)20.8

D)26.4

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63862 Math

If the product of 3 consecutive integers is 120, then the sum of the integers is --

A)9

B)12

C)14

D)15

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63863 Math

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

A)4 km/hr

B)5 km/hr

C)6 km/hr

D)6.5 km/hr

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63864 Math

A picture is copied onto a sheet of paper, which measures 8.5 inches by 10 inches. A border of 1.5 inch is left all around. What is the area, in square inches, covered by the picture?

A)76

B)65

C)38.5

D)59.5

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63865 Math

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

A)120 km/hr

B)110 km/hr

C)100 km/hr

D)80 km/hr

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63866 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 remainders?

A)10

B)12

C)14

D)16

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63867 Math

Three pipes P, Q and R can fill a tank in 6 hours. After working 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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63868 Math

Present age 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 Akmals present age?

A)24

B)27

C)29

D)40

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63869 Math

The ratio between the length and breadth of a field is 7:5. The perimeter of the field is 360 meter. What is the area of the field ?

A)31000 sq. meter

B)31500 sq. meter

C)7875 sq. meter

D)8775 sq. meter

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63870 Math

Roman covers 17 kilometer in 5 hours . How much time does he need to cover 10.2 kilometer ?

A)2.5 Hrs

B)3.4 Hrs

C)3.5 Hrs

D)3 Hrs

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63871 Math

Arif incurred a loss of 25% by selling a used mobile phone set at taka 1500. How much could he gain/lose by selling that 2200 taka ?

A)10% loss

B)20% gain

C)10% gain

D)20% loss

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63872 Math

Rumi and Rony can finish a task, working together, in 12 days. If Rony alone can finish that in 20 days, how many days will Rumi need to finish the task working alone ?

A)30

B)20

C)25

D)33

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63873 Math

The average age of 40 employees in a branch of a bank is 35 years . When a new employee joined the bank the average age increased to 35.5 years. What is the age of the new employee ?

A)55.5

B)50

C)50.5

D)20.5

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63874 Math

What should be added with 15480 to make it exactly divisible by 14 ?

A)7

B)8

C)4

D)6

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63875 Math

In a two digit number, if it is known that its unit's digit exceeds its ten's digit by 2 and that 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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63876 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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63877 Math

If 'n' is a natural number, then (6n2+6n) is always divisible by-

A)6 only

B)12 only

C)6 and 12 both

D)8 only

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63878 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 km then Ajmal wins by-

A)10m

B)20m

C)30m

D)60m

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63879 Math

If both x and y are prime numbers, which of the following CANNOT be the product of x and y?

A)6

B)10

C)35

D)27

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63880 Math

If the length of rectangle A is one -half of the length of rectangle B , and the width of rectangle A is one -half of the width of rectangle B, what is the ratio of the area of rectangle A to the area of rectangle B?

A)4-Jan

B)2-Jan

C)1-Jan

D)1-Feb

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63881 Math

If w is 10% less than x, and y is 30% less than Z, then why is what percent less than xz?

A)10%

B)20%

C)37%

D)40%

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63882 Math

A tree increases annually by 1/8 of its height. By how much will it increase after 2 years, if it stands today 64 cm high?

A)72 cm

B)74 cm

C)75 cm

D)81 cm

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63883 Math

Which one of the following fractions is the smallest?

A)9-Feb

B)8-May

C)2-Jan

D)12-Jul

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63884 Math

if 1/2 of the money in a certain trust was invested in stocks, 1/4 in bonds, 1/5 in a mutual fund, and the remaining Tk. 10,000 ina government certificate, what was the total amount of the trust fund?

A)1,00,000

B)1,50,000

C)2,00,000

D)2,50,000

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63885 Math

In a university, 80 percent of the students lived in hostel, and 60 percent of the hostel students are lucky to get a single room. If number of lucky students is 1200, then how many students were there in the university?

A)2500

B)2400

C)2000

D)1500

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63886 Math

X sells a product to Y and makes a profit of 25%. Y sells it to Z at a loss of 20%. If Z buys it for Tk. 140, what is X's purchase price?

A)210

B)175

C)140

D)150

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63887 Math

On selling an article for Tk. 550, a man gains 10%. What will be the selling price, if desired profit is 20%?

A)Tk. 500

B)Tk. 600

C)Tk. 660

D)Tk. 715

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63888 Math

A can do a piece of work in 15 days and B can do it in 10 days. Working together how long will they take to finish the work?

A)4 days

B)5 days

C)6 days

D)7 days

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63889 Math

If the length of a rectangle is 8 cm and its diagonal is 10 cm, find its area.

A)64 cm2

B)40 cm2

C)48 cm2

D)80 cm2

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63890 Math

A man loses Tk. 55.50 yearly when the annual rate of interest falls from 11.5% to 10% his capital is:

A)Tk. 3700

B)Tk. 7400

C)Tk. 8325

D)Tk. 11100

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63891 Math

The population of a certain town increases by 50 percent every 50 years. If the population in 1950 was 810 , in year was the population 160?

A)1650

B)1700

C)1750

D)1800

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63892 Math

The average of three Numbers is U. If two numbers are x and y, which is the third number?

A)xy -u

B)x/u - y

C)3x - u - y

D)3 u - x - y

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63893 Math

the angles of a triangle are in the ratio 5: 4: 3 How many degrees are there in the largest angle?

A)45

B)60

C)75

D)37.55

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63894 Math

If m and p are positive integers and ( m +p) m is even , which of the following must be true?

A)If m is odd, then p is odd.

B)If m is odd, then p is even

C)If m is even , then p is even .

D)If m is even, then p is odd.

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63895 Math

If xy = 2 and xy2= 8 , what is the value of x?

A)2-Jan

B)2

C)4

D)8

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63896 Math

If a +2b= 6 , ab =4 what is 2/a + 1/b ?

A)2-Jan

B)1

C)2-Mar

D)2

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63897 Math

If a and b are integers greater than 100 such that a+b =300 , which of the following could be the exact ratio of a to b?

A)9 to 1

B)5 to 2

C)5 to 3

D)4 to 1

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63898 Math

which of the numbers below is not equivalent to 4% ?

A)25-Jan

B)4/100

C)0.4

D)Feb-50

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63899 Math

If two fair coins are flipped, what is the probability that one will come up heads and the other tails?

A)4-Jan

B)3-Jan

C)2-Jan

D)4-Mar

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63900 Math

At the beginning of a class period, half of the students in a class go to the library. Later in the period, half of the remaining students go to the computer lab. If there are 5 students remaining in the class, how many students were originally in the class?

A)12

B)16

C)24

D)32

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