Math, asked by swathi2013, 9 months ago

An AP consists of 60 terms. if the first term and last term is 7 and 125 respectively. find the 31 term

Answers

Answered by Lekhashree11
1

Answer:

It's 67

Step-by-step explanation:

First term,

a = 7

Last term,

a+(60-1)d = 125 ( using a+(n-1)d formula )

7+59d = 125

59d = 118

d = 2.

To find 31st term,

a + (31-1)d

= 7+30×2

= 67.

HOPE THIS HELPS YOU. SORRY FOR THE DELAY........

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