Knowing our numbers, Whole numbers and Playing with numbers

Which is the only even prime number?

• 3

• 1

• 2

• 5

How many prime numbers are there between 1 and 100?

• 21

• 25

• 24

• 23

How many milimetres make 1 kilometre?

• 10,00,000 mm

• 1,00,000 mm

• 1,000 mm

• 1,00,00,000 mm

Which is the smallest whole number?

• 1

• 2

• 4

• 0

1 million = __________ lakh.

_____ is a factor of every number.

The smallest composite number is ________.

Numbers having more than two factors are called ___________.

The place value of 8 in 722,08,001 is _________.

The Roman numeral of 98 is ____________.