The value of p for which (2p + 1), 10 and (5p + 5) are three consecutive terms of an AP is... | MCQ 1m | Maths | SuperPadhai

Arithmetic Progressions > Question

MCQ1 markYear: 2020EasyCBSE Class 10

arithmetic-progressionsconsecutive-terms

Question

The value of

p

for which

(2 p + 1)

,

10

and

(5 p + 5)

are three consecutive terms of an AP is

Solution

1

For AP:

2 \times 10 = (2 p + 1) + (5 p + 5) \Rightarrow 20 = 7 p + 6 \Rightarrow p = 2

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