Math, asked by khushikhullar84, 6 months ago

without adding, find the sum of the following
1+3+5+7+9+11+13.

Answers

Answered by MrPotter

0

Answer:

n = numbers

l = last no.

sum = (l+1)×3 + (l+1)/2

= 14 ×3. +. 14/2

= 42 + 7

= 49

Previous Question

Next Question

Similar questions

Chemistry, 2 months ago

what are the units of density...

Hindi, 2 months ago

चेन्ई बडा शहर है । underline the noun...

Computer Science, 2 months ago

Tick (v) the correct statement and cross (X) out the wrong one. (a) Organization chart can be used to represent only two levels of hierarchical relationship (b) You cannot change the preset colours and fonts of a theme after you have applied it to the slide. (c) You can change the background colour as well as add pictures, gradient, patterns and texture to a slide. (d) SmartArt graphic layouts...

Computer Science, 6 months ago

The shortcut key to move to beginning of a line * a) Shift + Page up b) Shift + up arrow c) Shift + Home d) Ctrl + A ...

English, 6 months ago

Q.2. Rewrite the sentences in passive voice. a. John collects money. b. Anna opened the window. c. We have done our homework. d. I will ask a question . e. He can cut out the picture. f. The sheep ate a lot. g. We clean our rooms. h. William will not repair the car. i. Sue drew this circle. j. You could feed the dog...

Physics, 11 months ago

what is mean by spherical mirror...

Social Sciences, 11 months ago

differentiate between moderate and radical way of thinking...

Math, 11 months ago

prove that 2 root prove that 2 root 3 upon 5 is irrational number ...