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25.	The sale price of an article including the sales tax is Rs. 616. The rate of sales tax is 10%. If the shopkeeper has made a profit of 12%, then the cost price of the article is
	A.  Rs. 500
	B.  Rs. 515
	C.  Rs. 550
	D.  Rs. 600

Solution

110% of S.P. = 616 ‹=› S.P.=(616x100/110). ‹=› Rs. 560. C.P. ‹=› Rs.(100/112 x 560) ‹=› Rs. 500.

26.	Sandhiya purchased a briefcase with an additional 10% discount on the reduced price after deducting 20% on the labelled price. If the labelled price was Rs. 1400, at which price did she purchase the briefcase?
	A.  Rs. 980
	B.  Rs. 999
	C.  Rs. 1008
	D.  Rs. 1120

Solution

C.P. 90% of 80% of Rs. 1400 = Rs.(90/100x80/100x1400) ‹=›Rs. 1008.

27.	The price of a VCR is marked at Rs. 12,000. If the successive discounts of 15%, 10% and 5% be allowed, then at what price does a customer buy it?
	A.  Rs. 8400
	B.  Rs. 8500
	C.  Rs. 8721
	D.  Rs. 8856

Solution

Actual price = 95% of 90% of 85% of Rs. 12000. = Rs. (95/100 x 90/100 x 85/100 x 12000) = Rs. 8721.