There is a profit of 20% on the cost price of an article. The % of profit, when calculated on selling price is

By selling an article for ₹ 102,  there is a loss of 15% when the article is sold for ₹ 134.40, the net result in the transaction is

• 12% gain

• 12% loss

• 10% loss

• 10% loss

Two toys are sold at ₹ 504 each. One toy brings the dealer a gain of 12% and the other a loss of 4%. The gain or loss per cent by selling both the toys is

A sold a horse to B for ₹ 4800 by losing 20%. B sells it to C at a price which would have been given A a profit of 15%. B's gain is

• ₹ 1800

• ₹ 1900

• ₹ 2000

• ₹ 2000

If each side of a cube is increased by 10% the volume of the cube will increase by

• 30%

• 10%

• 33.1%

• 33.1%

A reduction of 21% in the price of an item enables a person to buy 3 kg more for ₹ 100. The reduced price of item per kg is

• ₹ 5.50

• ₹ 7.50

• ₹ 10.50

• ₹ 10.50

The number that is to be added to 10% of 320 to have the sum as 30% of 230 is

• 37

• 32

• 23

• 23

The strength of a school increases and decreases by in every alternate year by 10%. It started with increase in 2000. Then the strength of the school in 2003 as compared to that in 2000 was

• increased by 8.9%

• decreased by 8.9%

• increased by 9.8%

• increased by 9.8%

Two trains of equal length are running on parallel lines in the same direction in the same direction at the rate of 46 km/hr and 36 km/hr. The faster train passes the slower train in 36 seconds. The length of each train is

• 50 m

• 72 m

• 80 m

• 80 m

90.

A car driver leaves Bangalore at 8.30 A.M. and expects to reach a place 300 km from Bangalore at 12.30 P.M. At 10.30 he finds that he has covered only 40% of the distance. By how much he has to increase the speed of the car in order to keep up his schedule?

• 45 km/hr

• 40 km/hr

• 35 km/hr

• 35 km/hr