Exams Questions and Answers

Q:

The speed of sound in air at $0^{°}$ is

A) 331 m/s	B) 330 m/s
C) 330 ms	D) 331 ms

Answer & Explanation Answer: A) 331 m/s

Explanation:

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Filed Under: Physics
Exam Prep: Bank Exams

1 44749

Q:

Who is the Chief Election commissioner of India who took charge in January 2018

A) Subramanian Swamy	B) Ranjit Kumar
C) Om Prakash Rawat	D) Raghuram Rajan

Answer & Explanation Answer: C) Om Prakash Rawat

Explanation:

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Filed Under: Area
Exam Prep: Bank Exams

0 44745

Q:

Crop rotation helps to

A) eliminate parasites which have selective hosts	B) lessen use of pesticides
C) produce a greater choice of plant products	D) yield more crops

Answer & Explanation Answer: A) eliminate parasites which have selective hosts

Explanation:

Crop rotation is the technique of planting crops in a different area of the garden so that no single crop will be planted in the same place two—or more—years in a row.

Crop rotation helps to maintain soil structure and nutrient levels and to prevent soilborne pests from getting a foothold in the garden.

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Filed Under: General Science
Exam Prep: Bank Exams

1 44719

Q:

The difference between compound interest and simple interest on a sum for two years at 8% per annum, where the interest is compounded annually is Rs.16. if the interest were compounded half yearly , the difference in two interests would be nearly

A) Rs.24.64	B) Rs.21.85
C) Rs.16	D) Rs.16.80

Answer & Explanation Answer: A) Rs.24.64

Explanation:

For 1st year S.I =C.I.

Thus, Rs.16 is the S.I. on S.I. for 1 year, which at 8% is thus Rs.200

i.e S.I on the principal for 1 year is Rs.200

Principle = $R s . \frac{100 * 200}{8 * 1}$ = Rs.2500

Amount for 2 years, compounded half-yearly

$R s . [2500 * {(1 + \frac{4}{100})}^{4}] = R s . 2924.4$

C.I = Rs.424.64

Also, $S . I = R s . (\frac{2500 * 8 * 2}{100}) = R s . 400$

Hence, [(C.I) - (S.I)] = Rs. (424.64 - 400) = Rs.24.64

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Filed Under: Compound Interest
Exam Prep: Bank Exams
Job Role: Bank PO

121 44692

Q:

Select the related word/letters/number from the given alternatives.

Five Point Someone : Chetan Bhagat : : Swami and Friends : ?

A) William Shakespeare	B) R.K. Narayan
C) Charles Dickens	D) Rabindra Nath Tagore

Answer & Explanation Answer: B) R.K. Narayan

Explanation:

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Filed Under: Analogy
Exam Prep: CAT , Bank Exams , AIEEE

0 44675

Q:

Select the related word/letters/number from the given alternatives.

9 : 27 : : 64 : ?

A) 225	B) 216
C) 512	D) 324

Answer & Explanation Answer: C) 512

Explanation:

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Filed Under: Analogy
Exam Prep: Bank Exams

0 44579

Q:

Which of the following terms follows the trend of the given list?

ZYXYXYXY, XWXYXYXY, XYZYXYXY, XYXWXYXY, XYXYZYXY, ______.

A) XYXYXWXY	B) XYXYXYXY
C) ZYXYXYXY	D) XWXYXYXY

Answer & Explanation Answer: A) XYXYXWXY

Explanation:

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Filed Under: Alphabet Test
Exam Prep: Bank Exams

22 44573

Q:

If (8, 2) is a solution of x + 4y - 2k = 0 then find the value of k2.

A) 36	B) 49
C) 64	D) 81

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