Math Questions Answers Square Root

Q 1. The square root of 0.0081 is ………… . 

A. 0.09
 B. 0.9
 C. 0.91
 D. 0.009

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Answer:-A. 0.09

Q 2. 10^-2 means …………. . 

A. milli
 B. centi
 C. micro
 D. deci

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Answer:- B. centi

Q 3.What is the sum of 5x³ – 3x² – 1 and 3x² + 1? 

A. 5x³
 B. 6x²
 C. 5x
 D. 3x²

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Answer:-A. 5×3

Q 4.The cube root of 1331 is ………… .

 A. 11
 B. 13
 C. 19
 D. 17

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Answer:-A. 11

Q 5. All natural numbers and 0 are called the ……………….. numbers.

 A. whole
 B. prime
 C. integer
 D. rational

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Answer:-A. whole

Q 6. The wages of 10 workers for a six-day week is $ 1200. What are the one day’s wages of 4 workers? 

A. $ 40
 B. $ 32
 C. $ 80
 D. $ 24

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Answer:- C. $ 80

Q 7. 142 × 16 = ………….. . 

A. 7222
 B. 2227
 C. 2722
 D. 2272

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Answer:- D. 2272

Q 8. 1⁰ is equal to …………. .

 A. -1
 B. 0
 C. 1
 D. None of these.

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Answer:- C. 1

Q 9. 4505 ÷ 5 = ………… . 

A. 901
 B. 910
 C. 190
 D. 109

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Answer:-A. 901

Q 10. 10003 – 999 = ………….. . 

A. 4009
 B. 9004
 C. 9040
 D. 9400

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Answer:- B. 9004

Q 11. The least number of five digits which is completely divisible by 39, is ………. .
A. 10101
B. 10062
C. 10016
D. 10023

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Answer:-D. 10023

Q 12. 2. If ‘+’ means ‘×’, ‘-‘ means ‘+’, ‘×’ means ‘÷’ and ‘÷’ means ‘-‘ then find the value of;
6 – 9 + 8 × 3 ÷ 20 = ……. .
A. 6
B. 10
C. -2
D. 12

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Answer:-B. 10

Q 13. 3. What is 121 times 11?
A. 1331
B. 1313
C. 1133
D. 3131

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Answer:-A. 1331

Q 14. A car covers a distance of 200km in 2 hours 40 minutes, whereas a jeep covers the same distance in 2 hours. What is the ratio of their speed?
A. 3:4
B. 4:3
C. 4:5
D. 5:4

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Answer:-A. 3:4

Q 15. 10001 – 101 = ?
A. 1001
B. 990
C. 9990
D. 9900

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Answer:-D. 9900

Q 16.A number is greater than 3 but less than 8. Also the number is greater than 6 but less than 10. What is the number?
A. 5
B. 6
C. 7
D. 8

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Answer:-C. 7

Q 17. . In the following series a wrong number is given. Find out that number.
4, 5, 10, 18, 34, 59, 95
A. 5
B. 10
C. 18
D. 34

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Answer:-B. 10

Q 18. A clock reads 4:30. If the minute hand points East, in what direction will the hour hand point?
A. North
B. North-West
C. North-East
D. South-East

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Answer:-C. North-East

Q 19. The sum of squares of two numbers is 80 and the square of difference between the two numbers is 36. Find the product of two numbers.
A. 11
B. 22
C. 33
D. 26

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Answer:-B. 22

Q 20. The value of 1.07 × 65 + 1.07 × 26 + 1.07 × 9 is;
A. 10.73
B. 10.7
C. 10.70
D. 107

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Answer:-D. 107