Question

ject on which it acts.
3. Which of the following are the squares of even numbers?
(a) 196
(b) 441
(c) 400
(d) 324
(e) 625
(h) 169
4. Which of the following are the squares of odd numbers?
(a) 121
(b) 225
(c) 196
(d) 484
(e) 529
5. Evaluate :
(a) (38)2 – (37)
(b) (75)2 – (74)2
(c) (92)2 - 1971
(d) (105)2 – (104)
(e) (141)2 – (140)
() (218)2 – (21772
16. Without adding find the sum :
(a) (1 + 3 + 5 + 7 + 9 + 11)​

Answer 1

Answer:

answer of 3rd is a,c,d

answer of 4th is a,b,e

last question answer is there are 6 digits so we do square of 6 it means 6 x 6 ---36

therefore 36 is the answer