The fourth term of an arithmetic progression is 8. What is the sum of first 7 terms of the arithmetic progression?(CAT 1994)

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Solution

The correct option is C 56
Option (c) Fourth term = 8 → a + 3d = 8
sum of seven terms
=

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The fourth term of an arithmetic progression is 8. What is the sum of first 7 terms of the arithmetic progression?(CAT 1994)

The correct option is C 56Option (c) Fourth term = 8 → a + 3d = 8sum of seven terms=

The correct option is C 56
Option (c) Fourth term = 8 → a + 3d = 8
sum of seven terms
=