Mathematics is awesome and Mathematics is fun. But sometimes it becomes tricky. Given below are the top 5 Mathematics questions.

What is the answer if all numbers on the mobile keypad (1, 2, 3, 4, 5, 6, 7, 8, 9, 0)

  1. 362880
  2. 42580
  3. 580
  4. 0

Correct answer: 4.

Here the multiplication from 1 through 9 yields 362880. However, when multiplied with 0 the answer becomes 0


Solve: 5 + 5 X 5 / 5 – 5

  1. 0
  2. 1
  3. 5
  4. 25

Correct answer: 3.

Following DMAS rule (Division Multiplication Addition Subtraction) the correct answer is 5


How many kilos are there in 150 deca.

  1. 0.15
  2. 1.5
  3. 1500
  4. 15000

Correct answer: 2.

150 deca = 150 * 10 = 150 * (1000/1000) = 150/1000 kilo = 1.5 kilo

Deca and kilo are two prefixes. Learn all about prefixes conversions here.


592 (61)256 (31)674 (71)873 ( ___)

The missing number next to 873 is:

  1. 41
  2. 61
  3. 90
  4. 101

Correct answer: 3.

1st and third digit of each number is combined and 2nd digit is added

592 = 52 + 9 = 61;

256 = 26 + 5 = 31;

674 + 7 = 71;

873 = 83 + 7 = 90


20704014060____

Find the next number in above series:

  1. 90
  2. 160
  3. 210
  4. 330

Correct answer: 3.

There are two series in the above question.

20, 40, 60… (Series of multiples of 20)

70, 140, 210… (Series of multiples of 70)