A person travelled a distance of 150 km and then returned to the starting point. The time taken for the outward journey was \(2\tfrac{1}{2}\)hours more than that for the return journey. His speed for the return journey was 10 km/h more than that for the outward journey. His speed for the return journey, in km/h, was:
The marked price of an article is 35% above its cost price. After giving a 20% discount on the marked price, its sold for ₹432. What is the cost price of the article?
A sum of ₹x amounts to ₹6,900 at 5% p.a. in a time in which a sum of ₹9,000 amounts to ₹10,080 at 4% p.a., both at simple interest. The value of x is:
A can do 40%, of a work in 24 days., and B can do \(33\tfrac{1}{3}\%\) of the same work in 15 days. They work together for 15 days. C alone completes the remaining work in 10 days. A and C together can complete 35% of the same work in:
A sum invested at compound interest amounts to ₹8,000 in 4 years and ₹8,400 in 5 years, interest being compounded yearly. What will be the amount of the same sum at the end of the 6th year?
Study the given bar graph that shows the number of students (boys and girls) in different schools on 1 July 2019 and answer the question that follows.
In which school is the number of boys 25% more than the average number of girls in all five schools?