Question

Please explain how to solve these!!
Q5 ANSWER IS A
Q6 ANSWER IS B
Q7 ANSWER IS A

Answer 1

don't get scared of these.....try to find the nearest root or cube root of possible nearest number.because every number is not a perfect square ...so we have to find the nearest possible square number.

for example =✓170...13 can written as the square root of 170.

Answer 2

cube root lene ke liye lcm liya aur teen teen k pair bnaye jiske teen k pair na bne toh use cube root m rehne diya jaise ki pehle question m 1008 ke lcm m 2 k teen hain aur 3 k teen hain toh bahar nikal liye cube root se aur 5 ke nhi hain toh woh usi m rehne diya