Increase of a number from 150 to 162 is equal to increase of _________ per cent.
Stainless steel pans are usually provided with copper bottoms. The
reason for this could be that
(a) copper bottom makes the pan more durable.
(b) such pans appear colourful.
(c) copper is a better conductor of heat than the stainless steel.
(d) copper is easier to clean than the stainless steel.
An iron ball at 40°C is dropped in a mug containing water at 40°C.
The heat will
(a) flow from iron ball to water.
(b) not flow from iron ball to water or from water to iron ball.
(c) flow from water to iron ball.
(d) increase the temperature of both.
Radhika bought a car for Rs 2,50,000. Next year its price decreased
by 10% and further next year it decreased by 12%. In the two years
overall decrease per cent in the price of the car is
(a) 3.2% (b) 22% (c) 20.8% (d) 8%
A TV set was bought for Rs 26,250 including 5% VAT. The original
price of the TV set is
(a) Rs 27,562.50 (b) Rs 25,000 (c) Rs 24,937.50 (d) Rs 26,245
Avinash bought an electric iron for Rs 900 and sold it at a gain of
10%. He sold another electric iron at 5% loss which was bought
Rs 1200. On the transaction he has a
(a) Profit of Rs 75 (b) Loss of Rs 75
(c) Profit of Rs 30 (d) Loss of Rs 30
The original price of a washing machine which was bought for Rs
13,500 inclusive of 8% VAT is
(a) Rs 12,420 (b) Rs 14,580 (c) Rs 12,500 (d) Rs 13,492
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