The number of digits in the limbs used for walking in reptiles is

The digit absent in the fore limbs of Frog is

The digit absent in the fore limbs of Frog is

The digit absent in the fore limbs of Frog is

The number of phalanges in each limb of human is …….. .

The number of phalanges in each limb of human is __.

The number of 10 digit number that can be written by using the digits 2 and 3 is

Find the number of 4 digit numbers that can be formed using the digits 1,2,3,4,5.If no digits is repeated.

The number of 4 digit numbers that can be formed with the digits 2,3,4,7 and using each digit only once is