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JEE Class main Answered

Sir pls solve the following.
question image
Asked by rsudipto | 01 Jan, 2019, 10:18: AM
answered-by-expert Expert Answer
Let student's age is x years
Teachers age (x+20) years
 
given information : [ 3x+(x+20) ] /4 = 20  or 4x+20 = 80    or  x = 15
 
Teacher's age = x+20 = 15+20 = 35 years
Answered by Thiyagarajan K | 01 Jan, 2019, 02:11: PM

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