Quantitative Aptitude - Arithmetic Ability Questions

If (5x – y)/(5x + y) = 3/7, then what is the value of (4x2 + y2 – 4xy)/(9x2 + 16y2 + 24xy) ?

If x2+1x2 = 2, then the value of x - 1x is

S, T and U started a business by investing Rs 4200, Rs 6300 and Rs 8400 respectively. S left the business after 3 months, T left 6 months after the business had started and U remained in the business till one year. At the end of one year the total profit is Rs 6000. What is the U’s share (in Rs) in the profit?

Of the 5 numbers whose average is 78, the first is 2/11 times the sum of other 4. The first number is

A car moving in the morning fog passes a man walking at 4km/h. in the same direction. The man can see the car for 3 minutes and visibility is upto a distance of 130m. The speed of the car is :

25% discount is offered on an item. By applying a promo code the customer wins 8% cash back. What is the effective discount?

The cost of levelling a circular field at 50 Paise per square metre is Rs 7700. The cost (in Rs) of putting up a fence all round it at Rs 1.20 per meter is ( Use π = 22/7)

In a class test, a student scored 22 marks out of 25 marks. The students marks in % is :