Quantitative Aptitude - Arithmetic Ability Questions

The length of one side of a rhombus is 13 cm and one of the diagonals is 10 cm. What is the legth of the other diagonal?

What is the slope of the line 2x - 5y = 12?

A sphere has the same curved surface area as a cone of vertical height 40 cm and radius 30 cm. The radius of the sphere is

A can do a piece of work in 8 days and B can do it in 10 days seperately. How many days would it take for both A and B to finish the same work together?

The sum of three consecutive natural numbers each divisible by 5, is 225. The largest among them is

Working together, pipes A and B can fill an empty tank in 10 hours. They worked together for 4 hours and then B stopped and A continued filling the tank till it was full. It took a total of 13 hours to fill the tank. How long would it take A to fill the empty tank alone?

If a - b = -7 and a2+ b2= 85, then find ab.

Find the odd word/letters/numbers pair from the given alternatives.