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SSC Selection Post 2022 PYQ — Question 51

SSC Selection Post - Matriculation Level - 10 Feb 2022 - Shift 1 • Quantitative Aptitude • Q51

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If the average of 20, 25, (p + 1), (2p + 5), and (p + 11) is 22, then the value of p is:

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Correct answer: D

Explanation

The correct answer is Option 4 i.e. 12.

Average = (20+25+p+1+2p+5+p+11)5(20+25+p+1+2p+5+p+11)\over5

⇒ 22 = (62+4p)5(62+4p)\over5

⇒ 110 = 62 + 4p

⇒ p = 12