Question

Choose the correct option: A. The square of a proper fraction is always greater than itself. B. The square of a prime number is always prime.

a)Only A
b)Only B
c)Both A and B
d)Neither A nor B

When a 'n' digit number is squared, then the number of digits in the square thus obtained is:

a)always 2n
b)always n²
c)always n/2
d)2n or 2n-1

The square root of 0.000484 is:
a)0.242
b)0.22
c)3.0.022
d)4.0.484

. If the units digit of a perfect square is 4, then the units digit of its square root can be: A. 2 B. 8
a)Only A
b)Only B
c)Either A or B
d)Neither A nor B
Q5. If p and q are perfect squares, then square root of p/q is always a rational number. Is the statement true?
a)Yes
b)No
c)Cannot be determined
d)None of these




​

Answer 1

Answer:

1)Neither A nor B

2)always 2n

3)3.0.022

4)Only B

5)Cannot be determined