601 . 2 bats and 2 balls cost Tk.300. 5 bats and 5 balls cost Tk.750. 3 bats and 3 balls cost--

A. Tk.400
B. Tk.450
C. Tk.500
D. Tk.550

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Answer: Option B

Explanation:

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602 . 2 cars leave a office at 12 noon, with one car traveling south at 60 mph and the other north at 40 mph along a straight road. At what time will they be 50 miles apart?

A. 2:30
B. 12:30
C. 3:30
D. 1:30

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Answer: Option B

Explanation:

603 . 2 large and 1 small pumps can fill a water tank in 4 hours. One large and 3 small pumps can also fill the same water tank in 4 hours. how many hours will it take for 3 large and 4 small pumps to fill the tank?

A. 2 hours
B. 2.5 hours
C. 3 hours
D. 3.5 hours
E. None of these

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Answer: Option A

Explanation:

Here, 2 large and 1 small pumps ≡ 1 large and 3 small pumps

Again, 3 large and 4 small pumps

= 2 large and 1 small pumps + 1 large and 3 small pumps

= 2 large and 1 small pumps + 2 large and 1 small pumps

= 2 x (2 large and 1 small pumps)

Now, 2 large and 1 small pumps can fill the tank in 4 hours

So, 2 x (2 large and 1 small pumps) can fill the tank = 4/2 = 2 hours

604 . 2-[ 2 - { 2 - 2 ( 2 +2 ) } ] = ?

A. -4
B. 6
C. 4
D. None of these

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Answer: Option D

Explanation:

Bangladesh Bank - Officer(Cash) - 2016

A. 6
B. -4
C. 4
D. None of these

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Answer: Option D

Explanation:

2-[2-1-2-2(2+2)}]

=2-[-1-(2×4)]

=2+9

=11

(ans)

606 . 20% of 0.2 is equal to--

A. 1
B. 4
C. 0.4
D. 0.04

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Answer: Option D

Explanation:

Sonali- Janata &amp- Agrani Bank Offier (Cash Recruitment) 22.02.2008

A. 10
B. 12
C. 15
D. 20

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Answer: Option C

Explanation:

20×30=(20×x)+15×(35−x)so, (x−20)+15×(35−x)=600⇒20x+525−15x=600⇒5x=75∴x=15 days

Agrani Bank Ltd. Recruitment Test for Senior Officer 12.02.2010

A. 6
B. 8
C. 10
D. 12
E. None of these

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Answer: Option E

Explanation:

By 30 days a work is done by 20 workers

so by 25 days '' '' '' '' '' (20*30/25) = 24

So additional workers needed = 24 - 20 = 4

ans: 4 workers

609 . 28 is divided into two parts such that 6 times the first part added to 4 times the second part makes 152. The first part is

A. 16
B. 18
C. 20
D. 22

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Answer: Option C

Explanation:

Let's call the first part "x" and the second part "y."

We are given two pieces of information:

The sum of the two parts is 28: x + y = 28
6 times the first part added to 4 times the second part equals 152: 6x + 4y = 152

We can use these two equations to solve for the value of "x."

First, let's solve the first equation for "y":

x + y = 28 y = 28 - x

Now, substitute this expression for "y" into the second equation:

6x + 4(28 - x) = 152

Now, solve for "x":

6x + 112 - 4x = 152

Combine like terms:

2x + 112 = 152

Subtract 112 from both sides:

2x = 152 - 112 2x = 40

Now, divide by 2:

x = 40 / 2 x = 20

So, the first part is 20.

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A. 2
B. 100
C. 37
D. 4.6

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Answer: Option A

Explanation:

611 . 2m+1 - 2m = ?

A. 2
B. 4
C. 2m
D. 2m+1

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Answer: Option C

Explanation:

612 . 3, 9, 5, 11, 7, ...

A. 9
B. 10
C. 13
D. 15

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Answer: Option C

Explanation:

613 . 3 & 5 are factors of F. We can conclude that--

A. 3 x 5 = F
B. 8 is a factor of F
C. F is multiple of 15
D. 3 & 5 are the only factors of F

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Answer: Option C

Explanation:

614 . 3 , 12, 30,. 39 are the first five terms of a sequence . Each term after the first is obtained by adding 9 to the term immediately preceding it .which term in the sequence is equal to 3 + (33 -1) 9?

A. 8 th
B. 9th
C. 32nd
D. 33rd
E. None of these

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Answer: Option D

Explanation:

First, term, = 3

General difference = 12 - 3 = 9

Here, 3 + ( 33 - 1) 9 = 3 + 32 × 9 = 291

nth term = a + ( n - 1) d

291 = 3 + ( n - 1) 9

n - 1 = 32

n = 33

615 . 3.003/2.002 =?

A. 1.05
B. 1.5
C. 1.501
D. 1.5015
E. none of them

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Answer: Option B

Explanation:

3.003/2.002

= 3003/2002

= 1.5

601 . 2 bats and 2 balls cost Tk.300. 5 bats and 5 balls cost Tk.750. 3 bats and 3 balls cost--

602 . 2 cars leave a office at 12 noon, with one car traveling south at 60 mph and the other north at 40 mph along a straight road. At what time will they be 50 miles apart?

603 . 2 large and 1 small pumps can fill a water tank in 4 hours. One large and 3 small pumps can also fill the same water tank in 4 hours. how many hours will it take for 3 large and 4 small pumps to fill the tank?

604 . 2-[ 2 - { 2 - 2 ( 2 +2 ) } ] = ?

605 . 2-[2-{-2-2(2+2)}]=?

606 . 20% of 0.2 is equal to--

607 . 20 men can finish a work in 30 days. After how many days should 5 men leave the work so that the work may be finished in 35 days?

608 . 20 workers can finish a task in 30 days. How many additional workers are needed to finish the same task in 25 days?

609 . 28 is divided into two parts such that 6 times the first part added to 4 times the second part makes 152. The first part is

610 . 2log105 + log10 36 - log10 9 = ?

611 . 2m+1 - 2m = ?

612 . 3, 9, 5, 11, 7, ...

613 . 3 & 5 are factors of F. We can conclude that--

614 . 3 , 12, 30,. 39 are the first five terms of a sequence . Each term after the first is obtained by adding 9 to the term immediately preceding it .which term in the sequence is equal to 3 + (33 -1) 9?

615 . 3.003/2.002 =?

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