Quantitative Aptitude - Arithmetic Ability Questions

Area of _____ equals square of its side.

Simplify : -21973 × -1253 ÷ 275123

Product of 9b2, 3a2 and 4ab is

P does half as much work as Q in 1/3 of the time. If together they take 15 days to complete a work, how many days will P take to do it alone?

Find the difference between place value and face value of 7 in 589573212.

The rate of working of A and B are in the ratio of 2:3. The number of days taken by them to finish the work is in the ratio:

An octahedron has 6 vertices. How many edges does it have?

A scored 72% in a paper with a maximum marks of 900 and 80% in another paper with a maximum marks of 700. If the result is based on the combined percentage of two papers, the combined percentage is