Question

please answer correct and step by step ​

Answer 1

Answer:

I'm solving the first one, i.e., Q.21

First we have to find the root of each, that is :

5+11+5+16 = 37

To solve such questions, you must remember the squares upto 25 and cubes upto 15

Hope that's the correct answer:)

Not sure...check from the answer section (backside) of your book :)