Natu and Buchku each have certain number of oranges Natu says to Buchku quot If you give me 10 of yo...........

Quantitative Aptitude (CGL) Simplification

Natu and Buchku each have certain number of oranges. Natu says to Buchku,"If you give me 10 of your oranges, I will have twice the number of oranges left with you". Buchku replies,"If you give me 10 of your oranges, I will have the same number of oranges as left with you". What is the number of oranges with Natu and Buchku, respectively?

50, 20

70, 50

20, 50

50, 70

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Explanation:

Let natu have x no. of oranges and buchku have y no. of oranges then,
x+10=2(y-10)
x-2y=-30........(1)
And, y+10=x-10
x-y=20........(2)
on solving equation 1 and 2 we get
x=70 and y=50