0

math & puzzles Online Quiz - 14

Description: math & puzzles Online Quiz - 14
Number of Questions: 20
Created by:
Tags: math & puzzles
Attempted 0/20 Correct 0 Score 0

1, 4, 9, 16, 23, 25, 36

  1. 9

  2. 23

  3. 25

  4. 36


Correct Option: B

1, 4, 9, 16, 20, 36, 49

  1. 1

  2. 9

  3. 20

  4. 49


Correct Option: C

16, 25, 36, 72, 144, 196, 225

  1. 36

  2. 72

  3. 196

  4. 225


Correct Option: B

The compound interest on Rs. 30,000 at 7% per annum is Rs. 4347. The period (in years) is:

  1. 2

  2. 2.5

  3. 3

  4. 4


Correct Option: A

The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is:

  1. 20

  2. 23

  3. 169

  4. None of these


Correct Option: B

What is the sum of two consecutive even numbers, the difference of whose squares is 84?

  1. 34

  2. 38

  3. 42

  4. 46


Correct Option: C

A number consists of 3 digits whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. The number is:

  1. 145

  2. 253

  3. 370

  4. 352


Correct Option: B

Find the Unit digit of the number 31^1479 ?

  1. 4

  2. 6

  3. 1

  4. 7


Correct Option: C
- Hide questions