Exams Questions and Answers

Q:

Select the pair that does NOT belong in the following group.

$(\sqrt{64}, 9), (\sqrt{81}, 10), (\sqrt{36}, 8), (\sqrt{121}, 12)$

A) 121, 12	B) 36, 8
C) 81, 10	D) 64, 9

Answer & Explanation Answer: B) 36, 8

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 21480

Q:

A cow was standing on a bridge, 5m away from the middle of the bridge. A train was coming towards the bridge from the ends nearest to the cow. Seeing this cow ran towards the the train and managed to escape when the train was 2m away from bridge. If it had run in the opposite direction, it would hit by the train 2m before the end of the bridge. What is the lenght of the bridge in meters assuming the speed of the train is 4 times that of cow ?

A) 22 mts	B) 28 mts
C) 32 mts	D) 34 mts

Answer & Explanation Answer: C) 32 mts

Explanation:

let 'b' be the Length of bridge from cow to the near end of the bridge and 'a' be the distance of the train from the bridge.
'x' be speed of cow => '4x' speed of train
Then the total length of the bridge 2b + 10.
(a-2)/4x = b/x
=> a-2 = 4b........(1)
Now if it had run in opposite direction
(a+2b+10-2)/4x = (b+10-2)/x
=> a - 2b = 24......(2)
Solving (1) and (2)
b = 11 ,
Therefore length of the bridge is 2 x 11 + 10 = 32mts.

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Filed Under: Arithmetical Reasoning
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

64 21475

Q:

The interest on a certain deposit at 4.5% p.a. is Rs. 202.50 in one year. How much will the additional interest in one year be on the same deposit at 5% p.a. ?

A) Rs. 22.5	B) Rs. 2.5
C) Rs. 202	D) Rs. 25

Answer & Explanation Answer: A) Rs. 22.5

Explanation:

We know that I = PTR/100
=> P = 20250/4.5 = 4500
Now, new Interest at 5% = 4500x1x5/100 = 225
Now the additional amount = 225 - 202.5 = Rs. 22.5

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Filed Under: Simple Interest
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

18 21474

Q:

A booster pump can be used for filling as well as for emptying a tank. The capacity of the tank is 2400 $m^{3}$ . The emptying capacity of the tank is 10 $m^{3}$ per minute higher than its filling capacity and the pump needs 8 minutes lesser to empty the tank than it needs to fill it. What is the filling capacity of the pump?

A) 50 m^3/min	B) 60 m^3/min
C) 72 m^3/min	D) None of these

Answer & Explanation Answer: A) 50 m^3/min

Explanation:

Let the filling capacity of the pump be x $m^{3}$ /min.

Then, emptying capacity of the pump=(x+10) $m^{3}$ /min.

so, $\frac{2400}{x} - \frac{2400}{x + 10} = 8 \Leftrightarrow x^{2} + 10 x - 3000 = 0$

$\Rightarrow (x - 50) + (x + 60) = 0 \Leftrightarrow x = 50$

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Filed Under: Pipes and Cistern
Exam Prep: CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

38 21465

Q:

Read the information carefully and select the correct option.

Offer A : Buy one item for Rs. 1599/- and get one free.

Offer B : Buy one item for Rs. 999/- and get another at 50% discount.

A) A is cheaper and B is costlier	B) A is costlier and B is cheaper
C) Cost is same in both cases	D) A and B are not comparable

Answer & Explanation Answer: B) A is costlier and B is cheaper

Explanation:

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Filed Under: Statement and Conclusions
Exam Prep: Bank Exams

3 21451

Q:

The least number that must be subtracted from 7577 to get a perfect square is

A) 7	B) 6
C) 5	D) 8

Answer & Explanation Answer: D) 8

Explanation:

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

4 21448

Q:

In the following question, select the odd word pair from the given alternatives.

A) Surgeon – Scalpel	B) Tailor – Scissors
C) Chisel – Sculptor	D) Chef – Knife

Answer & Explanation Answer: C) Chisel – Sculptor

Explanation:

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

0 21419

Q:

Select the letter which does NOT belong to the group.

A) 3	B) 1
C) 2	D) 4

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