An item was brought at Rs A and sold at Rs B there by earning a profit of 20 Had the value of A been...........

Quantitative Aptitude ( CCS) Profit and loss

An item was brought at Rs.A and sold at Rs.B there by earning a profit of 20%.Had the value of A been 15% less and the value of B been Rs.76 less, a profit of 30% would have been earned. What was the value of B ?

Rs.920

Rs.800

Rs.960

Rs.750

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Explanation:

CP = A, SP = B
SP = B = 120A/100 = 6A/5……………..I
SP = B – 76
CP = 85/100A = 17/20A
P = 30%
130/100 * 17/20 A = B – 76
B = 221/200x + 76………………………….II
Equate I and II
221A/200 + 76 = 6A/5
76 = 240A – 221A/200
A = 76*200/19
A = 800
B = 6*800/5 = 960