Quantitative Aptitude - Arithmetic Ability Questions

Select the odd word from the given alternatives.

If 4x - 7y = 3 and 2x - y = 9, then x - y is.

ΔABC is similar to ΔPQR. If ratio of perimeter of ΔABC : perimeter of ΔPQR is 5:9 and if PQ = 45 cm, then the length of AB (in cm) is?

If the value of 3-1.732, then calculate the value of 243-12108-147

The Simplified form of (b3x2a4z3)*(b4x3a3z2)/(a2b4z3) is

A square ground is to be covered by planting 100 saplings on each side. How many saplings are needed in all?

In a class, there were 9 boys and some girls. In a test the mean score obtained by the boys was 12 while that obtained by the girls was 14. If the overall average was 13.1, what was the total number of students in the calss?

Ramesh sold a book at a loss of 30%. If he had sold it for Rs. 140 more, he would have made a profit of 40%. The cost price of the book is