Chapter-1,Knowing Our Numbers

1. When 1 is subtracted from the smallest 5-digit number what is the result? 

• (a) Smallest 4-digit number

• (b) Greatest 4-digit number 

• (c) Greatest 5-digit number

• (d) Smallest 5-digit number

2. Expand the number 500428

• (a)Five crore four hundred thirty-eight

•  (b)fifty lakh four hundred twenty-eight

• (c) five lakh four hundred twenty-eight

• (d) five lakh four hundred eight.

What should be subtracted from 37 to get the successor of 17?

• (a)19

• (b)16

• (c)17

• (d)18

• (e)None of these

Using digits 4,5,6 and 0 without repetition make the greatest 4 - digit number

• (a) 4560

• (b) 5640

• (c) 6540

• (d) 6504

Every whole number has its successor (Say true or false)

• (a) true

• (b) false

• (c) may be

• (d) may not

In Roman numerals c stands for

• (a) 10

• (b) 100

• (c) 1000

• (d) 1

1 lakh = how many 10 thosand

• (a) 1

• (b) 10

• (c) 100

• (d) 1000

The greatest 3-digit number is

• (a)991

• (b)997

• (c)999

• (d)998

The smallest 4-digit number is

• (a)8888

• (b)1000

• (c)1111

• (d)9999

123 to the nearest tens is

• (a)130

• (b)120

• (c)125

• (d)123