Question

I. Fill in the blanks

1. The perfect square number out of 2,3,4 and 5 is---------


a) 2 b) 3 c) 4 d) 5





2. Between 50 and 60, the perfect square number is-------------


a) 56 b) 55 c) 54 d)none





3. Natural numbers lie between
$12 {}^{2}$
and
$13 {}^{2}$
is ------------


a) 20 b) 22 c) 24 d) 26





4. The number of zeros in the square of the number 100 is --------------


a) 2 b) 6 c) 4 d) 8





5. The unit digit in the square of the number 27 is-------------


a) 7 b) 2 c) 5 d) 9



​

Answer 1

Answer:

1. 4 cause 2sq2 is 4

2. NONE

3. 24 cause 13 sq is 169 and 12 sq is 144 exclude 144 and 169 and the inbw numbers are 24

4. 4 zeros cause 100sq is 10000

5. 9 cause 27sq is 729