Knowing Our Numbers

The product of two 2's in the number 52656720 is :

• 4000000

• 40000

• 40000000

• 400000000

3 x 100000 + 7 x 1000 + 7 x 10 , in numeral form is

• 300707

• 3000707

• 307007

• 307070

If 1 is added to the greatest 7 digit number then the number is

• 10 thousand

• 1 lakh

• 10 lakh

• 1 crore

When rounded off to the nearest thousand the number, 85642 is

• 85700

• 86000

• 90000

• 85650

The largest five digit number using any one digit twice 5,9,2 and 6 is

• 95562

• 99652

• 96652

• 96552

1 million is equal to

• 1 lakh

• 10 lakh

• 1 crore

• 10 crore

The greatest number when rounded off to the nearest thousand gives

• 5001

• 5559

• 5999

• 5499

Keeping the place of 6 in the number 6350947 same, the smallest number obtained by re arranging the other digits is :

• 6975430

• 6043579

• 6034579

• 6034759

Which of the following numbers n roman numeral is incorrect

• LXXX

• LXX

• LX

• LLX

The largest 5 digit number having three different digits

• 98978

• 99887

• 99987

• 98887