The radius of a circle is increased by 10%. the percentage increase of its area is:
A fan is listed at INR 150/- with a discount of 20%. What additional discount must be offered to the customer to bring the net price to INR 108/-
If 'a' and 'b' are positive integers such that a2-b2 = 19, then the value of 'a' is :
The price of a bicycle is marked by a trader at INR 1000. He sold the bicycle allowing successive discounts of 20%, 10% and 5%. Thus the trader gained 14% then the cost price of bicycle (in rupees) is:
A two wheeler depreciates at 20% of its value every year. If present value of the same be INR 90000, its depreciated value would be INR 36864 after:
A man purchased 120 reams of paper at INR 80 per ream. He spent INR 280 on transportation, paid octroi at the rate of 40 paise per ream and paid INR 72 to a porter. In order to gain 8%, he must sell each ream of paper for :