Q143 of 200 Page 5

Number of primes between 1 to 100 is _____.

Prime numbers are those numbers which have only two factors 1 and the number itself.

Prime numbers between 1 and 100 are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89 and 97.

141

2 is the only _____ number which is even.

142

Two numbers having only 1 as a common factor are called numbers.

144

If a number has _____ in ones place, then it is divisible by 10.

145

A number is divisible by 5, if it has _____ or _____ in its ones place.