For the following questions answer them individually
A sold an article to B at 25% profit, who sold it to C at 20% profit. C sold it to D at 45% loss. If D bought it for ₹330, then B bought the article (in ₹)for:
The ratio of monthly income to the expenditure of a family is 14 : 11. If the monthly savings of the family is ₹13,500, then the monthly income of the family is:
A box contains 25p and 10p coins in the ratio 6 : 5, amounting to ₹226. Find the number of 10p coins.
A rocking chair was sold at a profit of 10%. Had it been sold at ₹80 more, the profit would have been 15%. What is the cost price ( in ₹) of the chair?
John can complete a piece of work in 6 days working 8 hours each day and Manu can complete it in 3 days working 4 hours each day. How long will they take to complete it, working together $$9\frac{3}{5}$$ hours a day?
A man distributed two different amounts of ₹45,000 and ₹18,000 among his sons A, B and C. The first amount of ₹45.000 was distributed in the ratio 3 : 7 : 5, and the second amount ₹18,000 was distributed in the ratio 4 : 2 : 3. The difference between the shares of A and C is:
The average of five numbers a, b, c, d and e is 150. If the average of the first three numbers a, b and c is 130, then the average of the last two numbers d and e is:
Find the compound interest on ₹1,600 at 15% per annum for 2 years, compounded annually.
The greatest number that divides 415, 688 and 825 leaving 7, 8 and 9 as remainders, respectively, is:
A cylindrical pillar is 85 cm in diameter and 7 m in height. The cost of painting the curved surface of the pillar at the rate of ₹20 per $$m^{2}$$ is: