Find the squares of the following numbers without actual multiplication:
(i) 31
(ii) 42
(iii) 86
(iv) 94
Solution:
More Solutions:
- Write five numbers which you can decide by looking
- The following numbers are obviously not perfect
- Natural numbers lie between the square of the following
- Express the following as the sum of two consecutive integers
- Find the squares of the following numbers containing 5 in unit’s place
- Write a Pythagorean triplet whose one number is
- Observe the following pattern and find the missing digits