A. Rs 72

B. Rs 75

C. Rs 77.50

D. Rs 80

Kamya purchased an item of Rs. 46,000 and sold it at loss of 12 per cent. With that amount she purchased another item and sold it at a gain of 12 per cent. What was her overall gain/loss?

Deepa bought a calculator at 30% discount on the listed price. Had she not got the discount, she would have paid 82.50 extra. At what price did she buy the calculator ?

A firm of readymade garment? makes both men's and women's shirts. Its average profit is 6% of the sales. Its profit in men's shirts average 8% of the sales and women's shirts comprise 60% of the output. The average profit per sale rupee in women shirts is

A shopkeeper sold a TV set for17940, at a discount of 8% and gained 19.6%. If no discount is allowed,, what will be his gain per cent?

Alcohol cost 3.50 per litre and kerosene oil cost 2.50 per litre. In what proportion these should be mixed so that the resulting mixture may be 2.75 per litre?