• 49 rounds

  • 54 rounds

  • 56 rounds

  • 77 rounds


Given in the question, If radius is 14 cm then rope can make 70 rounds. If radius is 1 cm then rope can make 70 x 14 rounds. If radius is 20 cm then rope can make 70 x 14 / 20 rounds. If radius is 20 cm then rope can make 7 x 7 rounds. If radius is 20 cm then rope can make 49 rounds.

A runner runs 5/4 laps of a 5 lap race. What fractional part of the race remains to be run?

A runs 7/4 times as fast as B. If A gives B a start of 300 m, how far must the winning post be if both A and B have to end the race at same time?

A runs twice as fast as B and B runs thrice as fast as C. The distance covered by C in 72 minutes, will be covered by A in:

A sales executive gets 20% bonus of the total sales value and 10% commission besides the bonus on the net profit after charging such commission. If the total sales value be Rs. 10 lakh per annum and the total profit of the company be Rs. 1.32 lakh, then his total earning per annum will be, given that he is not entitled to receive any fixed salary from the company :

A salesman expects a gain of 13% on his cost price. If in a month, his sale was тВ╣ 791000, what was his profit ?

A salesman gets commission on total sales at 9%. If the sale is exceeded Rs.10,000 he gets an additional commission as bonus of 3% on the excess of sales over Rs.10,000. If he gets total commission of Rs.1380, then the bonus he received is

A salesman mixes two varieties of tea, whose costs are Rs. 60 and Rs. 45 per kg respectively. In what proportion the two varieties are to be mixed so as to make a profit of 25% if the sale price be Rs. 62.50 per kg ?

A school has only four classes that contain 10, 20, 30 and 40 students respectively. The pass percentage of these classes are 20%, 30%, 60% and 100% respectively. Find the pass % of the entire school.

A scored 30% marks and failed by 15 marks. B scored 40% marks and obtained 35 marks more than those required to pass. What is the pass percentage?

A seller initially sells his product at 10 % more than his cost price. Later he reduces the selling price by 10 % what will be the net effect on his profit and loss?

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