Ratio Of The Earnings Of A And B Is 4:7. If The Earnings Of A Increas

1.	Ratio Of The Earnings Of A And B Is 4:7. If The Earnings Of A Increases By 50% And Those Of B Decreased By 25%, The New Ratio Of Their Earnings Becomes 8:7. What Are A's Earnings?
Answer» Let the ORIGINAL earnings of A and B be Rs. 4x and Rs. 7x. New earnings of A = 150% 0f Rs. 4x = (150/100 * 4x) = Rs. 6x New earnings of B = 75% of Rs. 7x = (75/100 * 7x) = Rs. 21x/4 6x:21x/4 = 8:7 This does not GIVE X. So, the given data is inadequate. Let the original earnings of A and B be Rs. 4x and Rs. 7x. New earnings of A = 150% 0f Rs. 4x = (150/100 * 4x) = Rs. 6x New earnings of B = 75% of Rs. 7x = (75/100 * 7x) = Rs. 21x/4 6x:21x/4 = 8:7 This does not give x. So, the given data is inadequate.

Ratio Of The Earnings Of A And B Is 4:7. If The Earnings Of A Increases By 50% And Those Of B Decreased By 25%, The New Ratio Of Their Earnings Becomes 8:7. What Are A's Earnings?

Answer»

Let the ORIGINAL earnings of A and B be Rs. 4x and Rs. 7x.

New earnings of A = 150% 0f Rs. 4x = (150/100 * 4x) = Rs. 6x

New earnings of B = 75% of Rs. 7x = (75/100 * 7x) = Rs. 21x/4

6x:21x/4 = 8:7

This does not GIVE X. So, the given data is inadequate.

Let the original earnings of A and B be Rs. 4x and Rs. 7x.

New earnings of A = 150% 0f Rs. 4x = (150/100 * 4x) = Rs. 6x

New earnings of B = 75% of Rs. 7x = (75/100 * 7x) = Rs. 21x/4

6x:21x/4 = 8:7

This does not give x. So, the given data is inadequate.

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