Chandu bought a watch at 20 percent discount on mark price but sold it at mark price. Find the percentage of profit.

A dishonest dealer marks up his goods by 50% and then gives a discount of 20% on the marked price. Apart from this, he uses a faulty balance which reads 1kg for 900 gm. What is his net profit percentage (rounded off to the nearest integer)?

If A : B= 3:4, B: C = 2:3 then A+B : B+C: C+A =?

The average age of 6 members of a family is 25 years. If the youngest member of the family is 15 years, old then what was the average age (in years) of the family at the time of the birth of the youngest members?

The distance between the tops of two building 38 metres and 58 metres and high is 52 metres. What will be the distance (in metres) between two building?

Find the compound interest on a sum of Rs. 46875 for 2 years at 12% p.a, if interest is compounded 8 months?

A rectangular piece of paper of dimensions 22 cm by 12 cm is rolled along its length to form a cylinder. The volume (in cm³) of the cylinder so formed is 

The following pie-chart shows the monthly expenditure of family on various items. If the family spends Rs. 825 on clothing answer the question

What is the ratio of expenses on food and miscellaneous ?