Two dealers A and B are selling the same model of TV set marking with same selling prices. Dealer A gives successive discounts of 20% and 15% and dealer B gives successive discounts of 18% and 15%. Find out the selling prices of the two dealers A and B respectively in rupees assuming that the marked prices of both is rupees 10000 (₹ Ten thousand only).
A7200, 7000
B6900, 7000
C7000, 7000
D6800, 6970 ✓ Correct
Correct answer: (D) 6800, 6970
Explanation
Dealer A sells at Rs. 6800 and dealer B at Rs. 6970.
Successive discounts multiply the surviving fractions of the marked price.
Dealer A : 10000 x 0.80 x 0.85 = 10000 x 0.68 = 6800.
Dealer B : 10000 x 0.82 x 0.85 = 10000 x 0.697 = 6970.
Thus the two selling prices are Rs. 6800 and Rs. 6970.
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