Mathematics
Grade-1
Easy
Question
10, 20, 30, 40, 50, 60, 70, 80, _____, 100.
- 70
- 90
- 100
- 10
Hint:
10s means adding ten to previous number or jump by 10
The correct answer is: 90
Here, we have to find the missing number.
Start count from 10 by 10s = 10 , 20 , 30 , 40 , 50 , 60 , 70 , 80 , 90 , 100 .
So, the missing number is 90 .
Hence, the correct option is (b).
Counting is the cat of determining the quantity or the total number of objects in a set or a group.