The perimeter and the breadth of a rectangle are 68 cm and 10 cm respectively. Calculate the length of its diagonal (in cm).

The line graph shows the exports by a certain company. Study the diagram and answer the following questions.

What were the total exports (in Rs lakhs) by the company in the last four years?

The line graph shows the exports by a certain company. Study the diagram and answer the following questions.

The exports in 2014 were lesser than that in 2011 by ________.

The line graph shows the exports by a certain company. Study the diagram and answer the following questions.

What was the difference in the exports (in Rs lakhs) between the years 2012 and 2014?

The line graph shows the exports by a certain company. Study the diagram and answer the following questions.

In which year were the exports greater than that of the previous year?

A train moves at a speed of 35 m/sec and crosses a tunnel of length 960 metres, in 40 seconds. What is the length (in metres) of the train?

Rahul can complete a work in 18 days and Sonu can complete the same work in 15 days. If both together work for 5 days, then what part of total work is left?

If x = 0.139, then what is the value of  4x2 + 4x + 1 ?