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ATQ Let total amount of work = 360 units (LCM of 72 and 90) Amount of work done by ‘R’ in one day = 360/72 = 5 units Amount of work done by ‘S’ in one day = 360/90 = 4 units Amount of work done by ‘R’, ‘S’ and ‘T’ in one day = 360/24 = 15 units Amount of work done by ‘T’ in one day = 15 – 5 – 4 = 6 units Desired time = (0.30 × 360)/6 = 18 days
A salesman is allowed 12% commission on the total sales by him and a bonus of 1% on the sales over Rs. 10000. If the total earnings of a salesman is Rs....
In a city, the number of persons travelling by bike is 65% the number of persons travelling by metro. The number of persons travelling on foot is 80% th...
The marks obtained by A is 25% more than B, and the marks obtained by C is 150 more than the difference of the marks obtained by A and B. If C obtained ...
Rakesh obtained 25% more marks than Ambuj Suresh obtained 52% less marks than Rakesh. Marks obtained by Suresh are what percent less than marks obtained...
There are two slabs of income tax, 7% tax for income up to 3 lakh and 12.5% for income above 3 lakh. Nitin tried to evade tax by hiding some of the inco...
If X = 75% of Y and Y = 125% of Z, then find the ratio of X to that of Z.
If the price of rice has increased from Rs 40 per kg to Rs. 60 per kg, by how much percent a person has to decrease his consumption so that his expendit...
A number is first increased by 20% and then decreased by 20%. If the net change in the number is 128, then find the original number.
A farm has a total of 15,000 chickens. Out of these, 28% are foreign breed chickens, while the rest are native breed chickens. Among the native breed ch...