# Ch – 1 Real Numbers

Q.1: Which of the following is an irrational number ?

a) 0.36

b) 26558/1000

c) None

Q.2: 27/8 can be written in decimal form as ___________.

a) 3.375

b) 3.75

c) 3.355

Q.3: __________ is/are a rational number between 1/2 and 1/4.

a) 2/3

b) 2/5

c) Both

Q.4: 0.6666…… is a ____________ number.

a) non-repeating decimal

b) non-terminating decimal

c) terminating decimal

Q.5: If the HCF of two numbers 26 and 91, is 13. Then find its LCM ?

a) 192

b) 182

c) 136

Q.6: The HCF of 52 and 130 is _________.

a) 18

b) 13

c) 26

Q.7: If HCF of 306 and 657 is 9, then its LCM is ________.

a) 23586

b) 22338

c) 23685

Q.8: The rational number 17/8 will have ____________.

a) terminating decimal expression

b) non-terminating decimal expression

c) None

Q.9: The rational number 6/15 will have _________.

a) terminating decimal expression

b) non-terminating decimal expression

c) None

Q.10: LCM x HCF = ________ of two numbers.

a) Sum

b) Difference

c) Product