Class 10 Maths Chapter 1 Real Numbers Quiz

The decimal expansion of 22/7 is:

• Non-terminating and Non-repeating

• None of the above

• Terminating

• Non-terminating and repeating

For some integer n, the odd integer is represented in the form of:

• n

• n + 1

• 2n + 1

• 2n

HCF of 26 and 91 is:

• 15

• 11

• 13

• 19

Which of the following is not irrational?

• (3 – √7)

• (3 + √7)

• 3√7

• (3 + √7) (3 – √7)

The addition of a rational number and an irrational number is equal to:

• rational number

• None of the above

• Irrational number

• Both

The multiplication of two irrational numbers is:

• irrational number

• Maybe rational or irrational

• None

• rational number

If set A = {1, 2, 3, 4, 5,…} is given, then it represents:

• Rational Numbers

• Whole numbers

• Natural numbers

• Complex numbers

The largest number that divides 70 and 125, which leaves the remainders 5 and 8, is:

• 25

• 13

• 15

• 65

The least number that is divisible by all the numbers from 1 to 5 is:

• 90

• 70

• 60

• 80

The values of the remainder r, when a positive integer a is divided by 3 are:

• Only 0 or 1

• Only 1

• 1, 2

• 0, 1, 2