Quantitative Aptitude - Arithmetic Ability Questions

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 2x+29x = 4, then the value of 27x3+127x3

An engineering student has to secure 25% marks to pass. He gets 47 and fails by 43 marks. What are the maximum marks of the examination?

If 2x+2x=3,then the value of x3+1x3+2 is

What is the rate of interest (in %) if simple interest earned on a certain sum for the 3rd year is Rs 2,000 and compound interest earned in 2 years is Rs 4,160?

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

If tanθ = 43, then the value of 3sinθ+2cosθ3sinθ-2cosθ ?

A canal of a village can be cleaned by 24 villagers in 12 days. The number of days in which 36 villagers can clean the canal is ?