If the sum of the squares of three consecutive natural numbers is 110, then the smallest of these natural numbers is:

If xy(x+y)=1, then $$ {1\over x^3 y^3}-{x^3-y^3}$$ is equal to-

Direction: The bar graph shows revenues in rupees lakhs from selling four different products (A, B, C and D) by a certain company. Study the diagram and answer the following questions.

By what value (in %) the revenue from sale of product B in 2016 was greater than that of 2015?

The marked price of a Bike was Rs.22500. After allowing two successive discounts, it was sold for Rs.17595. If the second discount was 8%, then what was the first discount?

Find the HCF of 60, 148 and 382.

Some students went on a field trip. At a speed of 6 km/h, they travelled by bikes for 2 hours; then at a speed of 2 km/h, they walked for another hour; then they took rest for an hour and had lunch for half an hour; then at a speed of 1 m/s, they walked for an hour to visit a garden; and finally at a speed 4 km/h, they returned home in 3 hours. Their average speed, in km/h, (rounded off to two places of decimal) is:

Directions:  Study the bar-graph given below & answer the questions.
Pie-chart given below shows the percentage distribution of total no. of boys in six different Schools.
Total Boys in all schools together = 6400

If the ratio boys to girls in School A and School B is 2 : 3 and 3 : 7 respectively. Then find the difference of total girls in school B and A?

A does 2/5 of a work in 9 days. Then B joined him and they together completed the remaining work in 6 days. B alone can finish the whole work in