NIMCET 2017 Reasoning PYQ — John is 20 years older than Steve . In 10 year , Steve” s a… | Mathem Solvex | Mathem Solvex
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NIMCET 2017 — Reasoning PYQ
NIMCET | Reasoning | 2017
John is 20 years older than Steve . In 10 year , Steve” s age will be half that of John , What is steve’sage now ?
Choose the correct answer:
A.
2
B.
8
C.
10
(Correct Answer)
D.
20
Correct Answer:
10
Explanation
Given, John is 20 years older than Steve. 10 year, Steve” s age will be half that of John. Let, the age of Steve is X So the age of John become 20 + X. The age of Steve after 10 year is : 10 + X = (10 + 20 + X) / 2 2 × (10 + X) = 30 + X 20 + 2X = 30 + X 2X - X = 30 - 20 X = 10 So, the age of Steve is 10 year Hence,'10' is the correct answer.
Explanation
Given, John is 20 years older than Steve. 10 year, Steve” s age will be half that of John. Let, the age of Steve is X So the age of John become 20 + X. The age of Steve after 10 year is : 10 + X = (10 + 20 + X) / 2 2 × (10 + X) = 30 + X 20 + 2X = 30 + X 2X - X = 30 - 20 X = 10 So, the age of Steve is 10 year Hence,'10' is the correct answer.
