Advertisements
Advertisements
प्रश्न
Without doing the actual addition, find the sum of:
1 + 3 + 5 + 7 + 9 + ………………… + 51 + 53
Advertisements
उत्तर
1 + 3 + 5 + 7 + 9 + ……………. + 51 + 53
= Sum of first 27 odd natural number = 272 = 729
APPEARS IN
संबंधित प्रश्न
What will be the unit digit of the square of the given number?
799
What will be the unit digit of the square of the given number?
3853
What will be the unit digit of the square of the given number?
52698
What will be the unit digit of the square of the following number?
99880
The following number are obviously not perfect square. Give reason.
505050
The square of which of the following number would be an odd number?
3456
Find the least number of six digits which is a perfect square.
The cost of levelling and turfing a square lawn at Rs 2.50 per m2 is Rs 13322.50. Find the cost of fencing it at Rs 5 per metre.
Evaluate: 1012 – 1002
Using distributive law, find the square of 101
