Question

13. The ratio of 90 cm to 1.5m is
(a) 2:5
(b)3:5
(c)4:5
14 The value of p-a+pg for p= -1, q= -2 is
(d)None of these​

Answer 1

1m= 100 cm

1.5* 100 = 150

90: 150= 90/150

3/5 = 3:5

answer is 3:5

Answer 2

Answer:

1^2+2^2+3^2+4^2+5^2+6^2+7^2+8^2+9^2+10^2=385

what will be the value of 2^2+4^2+6^2+8^2+10^2+12^2+14^2+16^2+18^2+20^2=2869