Math, asked by chanchal200554, 6 months ago

answer fast guys... ✌

Attachments:

Answers

Answered by rautc157

0

Answer:

S25 = 1375

Step-by-step explanation:

Sn = n/2[2a+(n-1) ×d]

S25 = 25/2[2(7) +(25-1) ×4]

= 25/2[14+24×4]

= 25/2[14+96]

= 25/2[110]

= 2750/2

Ans:- S25 = 1375

Previous Question

Next Question

Similar questions

Math, 3 months ago

find the hcf of 75,175...

Science, 3 months ago

The weight of objects on Earth if the Earth shrinks 50% of its radius without changing the mass value? options A) 50% decrease. B) 50% increase C) 25% decrease D) 300% increase.

CBSE BOARD XII, 3 months ago

what is atom??????¿??????????

Computer Science, 6 months ago

Write the difference between IT and ITeS...

English, 6 months ago

many people are afraid of snake . why do they fear snakes do you think they aer right ?

English, 1 year ago

write a letter to editor on focusing health care.

Math, 1 year ago

how do leguminious plants help in maintaining its soil fertility ...

Math, 1 year ago

Find the value of the game and the optimal strategies for each player of the garne whose payer mat 2 A 4 A 2 A...