জব প্রিপারেশন

951 Math

A student loses I mark for every wrong answer and scores 2 marks for every correct answer . If he answers all the 60 questions in an exam and scores 39 marks , how many of them were correct?

A)27

B)31

C)33

D)37

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952 Math

There are two stations of length 162 meters and 120 meters respectively . A train takes 15 seconds to pass first station and 18 seconds to pass another station . Determine the length of the train ?

A)90 m

B)70 m

C)100 m

D)95 m

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953 Math

A man rows a certain distance along the stream and against the stream in 1 hour and 1.5 hours respectively . If the velocity of the current is 3 km /hr. what is the speed of a man in still water?

A)12 km /hr

B)13 km /hr

C)11 km /hr

D)15 km /hr

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954 Math

A milkman pays tk. 6.40 per liter of milk. He adds water and sells the mixture at tk. 8per liter. By doing this, he makes 37.5% profit. Find the proportion of water to milk received by the customers?

A)1:12

B)1:10

C)1:15

D)1:20

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955 Math

A leading library charges c cents for the first week that a book is loaned and f cents for each day over one week. What is the cost for taking out a book for d days. Where d is greater than?

A)c +fd

B)cd

C)c +f(d-7)

D)cd +f

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956 Math

Find the compound interest at the rate of 10% per annum for four yearss on the principal which in four years at the rate of 4% per annum gives tk. 1600 as simple interest.

A)tk. 4641

B)tk. 4732

C)tk. 4321

D)tk. 899

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957 Math

A wheel rotates 10 times per minutes and moves 20 m during each rotation . How many feet does the wheel move in 1 hour?

A)10000

B)20000

C)18000

D)12000

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958 Math

An Amount of tk. 366 is to be divided among P,Q and R in such a manner that Q gets two- third as much as P and R together , and P may get half as much as Q and R together . What is the share of P?

A)130

B)122

C)173

D)146

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959 Math

On dividing an individual number by 342, we get 47 as remainder. If the same number is divided by 18, what will be the remainder?

A)19

B)15

C)13

D)11

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960 Math

In an office , 44% of the workers prefer coffee and 72% prefer tea. If each of them prefers coffee or tea and 40 like both, the total number of workers in the office is -

A)200

B)250

C)240

D)210

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961 Math

100 kg of solution A is mixed with 60 kg of solution B . If solution A has tin and copper in the ratio 1: 4 and solution B has lead and tin in the ratio 3 :2 then what is the amount of tin in the new solution?

A)70 kg

B)36 kg

C)44 kg

D)56 kg

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962 Math

The difference between the length and the breadth of a blackboard is 8 cm. If the breadth is decreased by 4 cm and the length is increased by 7 cm the areas remains the same. Find the dimensions of the blackboard?

A)30,22

B)28,20

C)34,26

D)56,48

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963 Math

X cm complete a certain work in same time in which Y and Z together can do it. If X and Y together can finish it in 10 days and Z alone in 15 days, then Y alone can do it in ?

A)22 days

B)60 days

C)20 days

D)25 days

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964 Math

The difference between the radio of bigger difference between circle and smaller circle is 14 and the difference between their sareas is 1056 cm2 . Radius of the smaller circle is .

A)7 cm

B)5 cm

C)9 cm

D)3 cm

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965 Math

A jar contains a mixture of oil and water in the ratio 22 :3 . 50 litres of the mixture was taken out and 25 litres of water was added to it. If water was 34% in the resultant mixture, what was the initial quantity of the mixture (in litres ) in the jar?

A)175

B)150

C)75

D)125

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966 Math

The ratio of the length to the breadth of a rectangular park is 3 :2 , if a man cycling along the boundary of the park at the speed minutes , then what is the area of the park?

A)

B)

C)

D)None of these

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967 Math

A boat takes 19 hours to travel downstream from point A to point B and coming back to a point C midway . betway A and B . If the speed of the stream is 4 km/hr . what is the distance between A and B?

A)160 km

B)200 km

C)180 km

D)220 km

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968 Math

Given that, 24 carat gold is pure gold, 18 carat gold is 3/4th of pure gold and 20 carat gold is 5/6th of pure gold, the ratio of the pure gold in 18 carat gold to the pure gold in 20 carat gold is -

A)5:08

B)10:09

C)8:05

D)9:10

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969 Math

On reducing the entry fee by 35% in a park, the number of people coming to the park increased by 40% , then the percent increase or decrease in the income from the entry free is -

A)9% decrease

B)7% decrease

C)9% increase

D)5% decrease

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970 Math

Three number are added in pairs , the sums so obtained are 20,27 and 23. What are those three numbers?

A)6,4and 15

B)9, 11 and 14

C)8, 12 and 15

D)10, 8 and 17

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971 Math

After distributing the chocolates equally among 25 kids, 8 chocolates remain . Had the number of children been 28 , 22 chocolates would have been left after equally distributing. Find the total number of chocolates?

A)315

B)358

C)368

D)322

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972 Math

If radius of a circle is increased by 30% then its area is increased by -

A)40%

B)70%

C)50%

D)69%

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973 Math

An amount of TK. 10,000 becomes TK. 20,736 in 2 years. If the rate of interest is compounded half yearly , what is the annual rate of interest?

A)25%

B)20%

C)40%

D)30%

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974 Math

The difference between two positive number is 3 and the sum of their squares is 369. Then the sum of the numbers is -

A)27

B)33

C)20

D)81

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975 Math

A hall, 20m long and 15 m broad , is surrounded by a veranda of uniform width of 2.5m. The cost of flooring the verandah at TK. 3.50 per square meter is -

A)Tk. 500

B)TK. 700

C)Tk. 600

D)Tk. 800

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976 Math

In a two digit number, the digit in the unit's place is two more than the three times of the digit in ten's place . If the sum of the tow digits is 6 , the number is -

A)51

B)24

C)15

D)42

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977 Math

In your bookshelf, you have five favorite books. If you decide to arrange these five books in every possible combination and moved just one book in every half a minute How much time it will take you to arrange?

A)3 hours

B)1 hour

C)2 hours

D)30 minutes

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978 Math

A number when divided by 3 leaves a remainder 1 . When the quotient is divided by 2, it leaves a remainder 1. What will be the remainder when the number is divided by 6?

A)2

B)3

C)4

D)5

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979 Math

A train starts from city Y at 2 PM and travels towards city X at 75 km/hr. Another train starts from city X at 1 PM and travels towards Y at 60 km/hr. If the distance between these two cities is 330 km then at what time will they meet?

A)4:00 PM

B)5:00 PM

C)5:30 PM

D)6:00 PM

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980 Math

Two trains P and Q are moving in opposite direction at a rate of 36 km/hr and 45 km/hr respectively. A passenger is sitting in train P, finds that his train passes train Q in 8 seconds. What is the length of train Q?

A)195 m

B)175 m

C)190 m

D)180 m

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981 Math

A boat takes 4 hours to cover a certain distance running downstream, while it requires 8 hours 48 minutes to cover the same distance .Find the ratio between the speed of the current and the speed of the boat?

A)1:02

B)3:08

C)2:03

D)4:03

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982 Math

Lubana purchased 20 kg of pulses at a rate of Tk. 14.25 per kg and 30 kg of pulses at a rate of TK. 11.50 per kg.She decided to mix the two and sold the mixture. To make a profit of 30% what price per kg should he sell the mixture ?

A)15.6

B)14.8

C)16.38

D)18.2

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983 Math

Rahim invested in all Tk. 2600 in three different schemes at 8% ,4% and 6% per annum simple interest . At the end of the year, he received the same interest in all the three schemes. What is the money invested in scheme having 4% rate of interest?

A)TK.700

B)Tk. 800

C)TK. 50

D)TK. 1200

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984 Math

The ratio of boys and girls in a club is 3 : 2 . Which of the following could be the actual number of members ?

A)16

B)18

C)25

D)24

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985 Math

30% apples out of 450 are rotten . How many apples are in good condition?

A)125

B)315

C)240

D)180

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986 Math

The present age of son is half of the present age of his mother. Ten years ago, his mother's age was thrice the age of her son . What is the present age of the son?

A)25 years

B)20 years

C)30 years

D)40 years

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987 Math

The average of two numbers is 6.5 and square root of their product is 6 . What are the number?

A)11 and 2

B)8 and 5

C)` 10 and 3

D)9 and 4

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988 Math

a is greater than b by 2 and b is greater than c by 10 . If a+ b+ c =130 , then (b+c) -a =?

A)42

B)38

C)34

D)44

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989 Math

The least number which should be added 2497 so that the sum is exactly divisible 5,6,4 and 3 is -

A)23

B)13

C)3

D)33

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990 Math

The face value of 8 in the number 458926 is -

A)8000

B)1000

C)8

D)8926

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991 Math

The total cost of flooring a room at Tk. 8.50 per square metre is TK. 510. If the length the room is 8 m , its breadth is -

A)8.5 m

B)7.5 m

C)10.5 m

D)12.5 m

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992 Math

A can do 3 piece of work in 4 hours, B and C together in 3 hours , and A and C together in 2 hours. How long will B alone take to do it?

A)8 hours

B)12 hours

C)s10hours

D)24 hours

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993 Math

A speed of 14 meters per second is the same as-

A)50 km/hr

B)46.6 km/hr

C)28 km/hr

D)70 km/hr

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994 Math

Oranges are bought at 5 for Tk. 10 and sold at 6 for Tk. 15 . The gain percent is -

A)50%

B)40%

C)25%

D)35%

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995 Math

By selling an article for Tk. 100 a man gains Tk. 15 .Then, his gain % is -

A)15%

B)

C)

D)

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996 Math

A)5

B)6

C)8

D)None of these

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997 Math

Two numbers differ by 5. If their product is 336, then the sum of the two numbers is -

A)21

B)37

C)28

D)51

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998 Math

Evaluate

A)20

B)16

C)24

D)30

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999 Math

A)4.752

B)12

C)15.84

D)13.2

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1000 Math

48.95-32 .006 =?

A)16.089

B)16.35

C)16.944

D)16.89

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