Math, asked by bikramroy76, 11 months ago

1+2+3+....+n = n(n+1) ÷ 2. then what would be 1+3+5+.....+31?

Answers

Answered by kanish82

0

As 1+2+3+...+n=n(n+1)
then ,
1+3+5...+31 = 31(31+1)÷2
=(31*32)÷2
=992÷2
= 496 (ans)

bikramroy76: but the ans is given 256

Previous Question

Next Question

Similar questions

Science, 6 months ago

1. A refrigerator has to transfer an average of 263 J of heat per second from -10°C to 25°C. Calculate the average power consumed. Assume that the refrigerator is ideal...

Physics, 6 months ago

5. 00 The linear momentum of a particle moving in X - Y plans under the influence of a force is given as P (1) = A (i cos bt- sin bt) where A and b are constants. The angle between the force and momentum is (A) 0° (B) 45° (C) 60° (D) 90°...

Math, 6 months ago

Mrs.Verma paid rupes 97.50 for 12.5 kg potatoes.Find the cost of 1 kg potatoes...

Math, 11 months ago

find the cost of polishing a circular table top of diameter 2.1 m,if the rate of polishing is 10 per metre...

Math, 11 months ago

covert 7290 seconds into hours,minutes and seconds with method...

Hindi, 1 year ago

Gnanwan ka stri ling...

Math, 1 year ago

Is 8/9 the multiplicative inverse of? -11/8 why or why not?

French, 1 year ago

Bonjour tout le monde je vais vous discuter il y a 4 saison comme l'été le printemps l'hiver et le dernière la pluies C'est tout.