Find Out Total Number of Marbles

I have x marbles. My elder brother has 3 more than mine, while my younger brother has 3 less than mine. If the total number of marbles is 15, the number of marbles that I have is

  1. 3
  2. 5
  3. 8
  4. 7
Abdul Salam Newbie Asked on 20th July 2015 in Maths.
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1 Answer(s)

Answer: (2) 5
Explanation:-
I have marbles = X
My elder brother has 3 more than mine,
Then, X + 3
My younger brother 3 less than mine,
Then, X – 3
The total number of marbles = X + X + 3 + X – 3 = 15
3 X = 15
X = 5
Hence, I have 5 marbles.

Anurag Mishra Professor Answered on 21st July 2015.
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