Exams Questions and Answers

Q:

Find the square root of 1471369.

A) 1213	B) 1223
C) 1203	D) 1233

Answer & Explanation Answer: A) 1213

Explanation:

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Filed Under: Square Roots and Cube Roots
Exam Prep: Bank Exams

4 25711

Q:

Find the Missing Numbers in the given Number Puzzle ?

A) 169 & 81	B) 67 & 121
C) 64 & 115	D) 70 & 110

Answer & Explanation Answer: A) 169 & 81

Explanation:

Observe that in each column, square of sum of digits in the first row = Respective second row elements.

In the same way, square of sum of digits in the second row = Respective third row elements.

=> ${(6 + 4)}^{2} = 10^{2} = 100$

=> ${(4 + 9)}^{2} = 13^{2} = 169$

=> ${(8 + 1)}^{2} = 9^{2} = 81$ .

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Filed Under: Number Puzzles
Exam Prep: GATE , CAT , Bank Exams , AIEEE
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97 25700

Q:

What will come in place of the question mark in the series below?

3, 5, 15, 45, 113, ?

A) 250	B) 243
C) 247	D) 261

Answer & Explanation Answer: B) 243

Explanation:

Ans.
5 = 3 + (13 + 1)
15 = 5 + (23 + 2)
45 = 15 + (33 + 3)
113 = 45 + (43 + 4)
? = 113 + (53 + 5), i.e. ? = 243

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Filed Under: Numbers
Exam Prep: AIEEE , Bank Exams , GATE

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Q:

A cistern is normally filled in 8 hours but takes two hours longer to fill because of a leak in its bottom. If the cistern is full, the leak will empty it in ?

A) 20 hrs	B) 28 hrs
C) 36 hrs	D) 40 hrs

Answer & Explanation Answer: A) 20 hrs

Explanation:

1/8 - 1/x = 1/10

=> x = 40 hrs

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Filed Under: Pipes and Cistern
Exam Prep: GATE , CAT , Bank Exams , AIEEE
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67 25681

Q:

In 16 minutes, the minute hand gains over the hour hand by -

A) 16 deg	B) 80 deg
C) 88 deg	D) 94 deg

Answer & Explanation Answer: C) 88 deg

Explanation:

In one hour, the minute hand gains 330° over the hour hand. i.e., 60 minute, the minute hand gains 330° over the hour hand.

∴ In 16 minutes, the minute hand gain over the hour hand by $fraction numerator 330 degree over denominator 60 end fraction cross times 16 degree equals 88 degree$

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Filed Under: Clocks
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

38 25678

Q:

The ratio of the area of a square to that of the square drawn on its diagonal is

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

Answer & Explanation Answer: A) 1:2

Explanation:

ratio = $\frac{a^{2}}{{(\sqrt{2 a})}^{2}}$

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

75 25677

Q:

If a number 6573547x45 is divisible by 9, then find the value of x.

A) 7	B) 0
C) 8	D) 6

Answer & Explanation Answer: C) 8

Explanation:

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

Rs.1200 divided among P, Q and R. P gets half of the total amount received by Q and R. Q gets one-third of the total amount received by P and R. Find the amount received by R ?

A) Rs. 1100	B) Rs. 500
C) Rs. 1200	D) Rs. 700

Answer & Explanation Answer: B) Rs. 500

Explanation:

Let the amounts to be received by P, Q and R be p, q and r.
p + q + r = 1200
p = 1/2 (q + r) => 2p = q + r

Adding 'p' both sides, 3p = p + q + r = 1200
=> p = Rs.400

q = 1/3 (p + r) => 3q = p + r

Adding 'q' both sides, 4q = p + q + r = 1200
=> q = Rs.300

r = 1200 - (p + q) => r = Rs.500.

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

18 25668

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