Math, asked by damsaniswapna1234, 9 months ago

three numbers are in AP and their sum is 21 find the middle number

Answers

Answered by shubham15248

1

Answer:

see this

Step-by-step explanation:

7 is the middle number

7+7+7

Answered by navadeepsai11

3

Answer:

7

Step-by-step explanation:

If the numbers are in A.P. then the numbers are a - d , a , a + d

Sum = 21 = a - d + a + a + d

21 = 3*a ⇒ a = 7

Which is the middle number

HOPE IT HELPS YOU

PLEASE MARK ME AS THE BRAINLIEST

Previous Question

Next Question

Similar questions

Science, 4 months ago

Name the organ through which the following organisms respire i. Cockroach ii. Fish iii. Lizard iv. Plant . reply fast...

Chemistry, 4 months ago

ch 16. water 4. How can 'better management of water resources' help in conservation of water? 5. Write in brief, about the basic details and the role of the'sewerage system...

English, 4 months ago

He was born _______ a scientist. * become becoming to become...

Science, 9 months ago

States the importance of the location of India...

Social Sciences, 9 months ago

“A democratic country must meet many conditions.” Select the most appropriate option from the following to prove the statement.Immersive Reader The final decision making power must rest with those elected by the people Democracy must be based on a free and fair election Government rules within limits set by constitutional law and citizens’ rights All the three options.

Physics, 11 months ago

plzz......solve this question..

Math, 11 months ago

s a square minus b square is equal to 13 where A and B are natural numbers then value of a is?

Hindi, 11 months ago

Bhar pet mein kaun sa samas hai...