Instructions

For the following questions answer them individually

Question 11

If the interest is compounded half-yearly, then what will be the compound interest (in Rs) on a sum of Rs 10000 for 1 year at the rate of 10% per annum?

Question 12

Raj purchased two laptops, first for Rs 42500 and the second for Rs 36200. He sold first laptop at a profit of 12% and the second laptop at a loss of 12%. What is the overall profit or loss?

Question 13

A discount of 45% on an article is equal to the discount of 65% on other article.What is the respective ratio of the marked price of both the articles?

Question 15

P and O together can make a door in 12 days. They started the work together but after 8 days P left the work. The remaining work is completed by O alone in 7 more days. In how many days can P alone complete the entire work?

Question 16

From point P, at 6 : 30 pm, a train starts moving towards Q with the speed of 40 km/hr. Another train starts moving from point Q at 7:30 pm. towards point P at the speed of 60 km/hr. Both of them meet at 11:30 pm, at point R. What is the ratio of PR and QR?

Instructions

The bar graph shows 1 month's sales figures of different brands of mobile phones of a certain electronics store in Rs 1000s. Study the diagram and answer the following questions.

Question 20

If the sales figures are exclusive of tax then at the rate of 10% tax how much is the tax to be paid (in Rs) on the sales of all the 7 brands of mobile phones?