Number Sense (2 digit numbers)

Solved questions on Number Sense

1. Which number comes just before 67?

a) 7 tens + 5 ones
b) 6 tens + 6 ones
c) 5 tens + 4 ones
d) 8 tens + 6 ones

Answer: b) 6 tens + 6 ones

Explanation: Sixty-six comes just before 67.

66 = 6 tens + 6 ones.
= 6 × 10 + 6 × 1
= 60 + 6
= 66

2. How many balls are there in the image?

a) 5
b) 6
c) 8
d) 7

Answer: b) 6

Explanation: There are 6 balls in the image.

3: How will we represent 64 in words?

a) Ninety-four
b) Sixty-seven
c) Seventy-eight
d) Sixty-four

Answer: d) Sixty-four

Explanation: We will represent 64 as Sixty-four in words.

4: Match the following:

a) a-iii, b-i,c-ii
b) a-i, b-ii, c-iii
c) a-ii,b-i, c-iii
d) a-ii, b-iii, c-i

Answer: a) a-iii, b-i, c-ii

Explanation: Picture (a) has 2 oranges, Picture (b) has 2 parrots, Picture (c) has 4 cats.

5: Which number comes just after 58?

a)Forty-six
b)Fifty-nine
c)Seventy-eight
d)Fifty-six

Answer: b) Fifty-nine

Explanation: Fifty-nine comes just after 58.