Numbers - Arithmetic Aptitude Questions and Answers

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The sum of first n odd natural numbers is be given by;

A.

(n+1)²

B.

n² + 1

C.

n²

D.

n² - 1

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Which of the following numbers is a prime number?

A.

167

B.

213

C.

350

D.

437

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Which of the following is the result of 1505 x 1505?

A.

2265015

B.

2265035

C.

2265045

D.

2265025

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Which of the following is the output of 495 * 495 - 105 * 105?

A.

234000

B.

360000

C.

300000

D.

350000

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What is the unit digit in the product of 853 * 1346 * 452 * 226?

A.

4

B.

5

C.

6

D.

8

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If two-third of three-fourth of a number is 34, find the 20% of that number?

A.

13

B.

13.6

C.

14

D.

14.6

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What is the sum of all odd numbers up to 240?

A.

14400

B.

13400

C.

12400

D.

11400

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What are the different prime factors of 2400?

A.

2

B.

3

C.

4

D.

5

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Find the product of face value and place value of 4 in 234567.

A.

12000

B.

14000

C.

16000

D.

18000