How many natural numbers lie between the square of the following numbers?
(i) 12 and 13
(ii) 90 and 91
Solution:
Without adding, find the sum.
(i) 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15
(ii) 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23 + 25 + 27 + 29
Solution:
(i) Express 64 as the sum of 8 odd numbers.
(ii) 121 as the sum of 11 odd numbers.
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 without actual multiplication
- 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