The average of five terms is 40. If the first four terms are given as 50, 52, 35 and 46, find the fifth term.

A circle has two parallel chords of lengths 6cm and 8 cm. If the chords are 1cm apart and the centre is on the same side of the chords, and then find the length of diameter of the circle.

If A:B is 2:5 and B:C is 3:4, what is A:C? 

The length, breadth and height of a room are in the ratio 3 : 2 : 1 if the volume of the room is 1296 metre3. Then find the breadth of the room?

Directions : Given line graph shows the data of male & female population in 5 different cities. Read the data carefully and answer the questions.

By what percent total population of city A is more or less than that of city D?

A man's annual income has increased by Rs. 5 lakhs but the tax on income that he has to pay has reduced from 12 % to 10 %. He now pays Rs. 10,000 more income tax. What is his increased income (in Rs. lakhs)? 

Point P is the midpoint of segment AB. Co-ordinates of point Pare (2,1) and point B are (11,5) Co-ordinates of point A are 

Tonu invested 10 % more than the investment of Monu and Sonu invested 10 % less than the investment of Monu. If the total investment of all the three persons is ₹ 60, 000, the investment of Monu is –