Question

pankaj got 15 marks less than charu and charu get 5 marks more than kanta.if the sum of their marks all three is 112.how many marks did kanta get?

Answer 1

Let the marks obtained by Kanta be a
Charu's mark = a+5
Pankaj's mark = a-10

According to question
a+a+5+a-10 = 112
=> 3a - 5 = 112
=> 3a = 117
=> a = 39

Marks obtained by Kanta = 39

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Answer 2

Let the marks got by kanta be x
⇒then,marks got by charu =5+x
⇒marks got by pankaj=(5+x)-15=5+x-15=x-10
⇒ATQ,
⇒x+5+x+x-10=112
⇒3x-5=112
⇒3x=112+5=117
x=117÷3=39
Hence,marks got by kanta= 39