Quantitative Aptitude - Arithmetic Ability Questions

Two numbers are 35% and 50% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number? 

A sum of Rs 15200 is divided into two parts. The simple interest on first part at the rate of 25% per annum is equal to the simple interest on second part at the rate of 13% per annum. What is the interest (in Rs) of each part?

Number of composite numbers lying between 67 and 101 is

PQRS is a square, M is the mid-point of PQ and N is a point on QR such that NR is two-third of QR. If the area of ΔMQN is 48 cm2 , then what is the length (in cm) of PR ?

In a class of 39 students there are 26 girls. The average weight of these girls is 42 Kgs and average weight of the full class is 48 kgs. What is the average weight (in kgs) of the boys of the class?

Find the square root of 1485961

Of the four numbers whose average is 91, the first is 3/10 times the sum of other three. The first number is:

If (x+a) is the H.C.F of 2x2+5x-12 and x2+x-12 then find the value of a.