Quantitative Aptitude - Arithmetic Ability Questions

In a bucket, paint and oil are in the ratio 7 : 5. 24 litres of mixture is drawn off and 24 litres of oil is added. If the ratio of paint and oil becomes 1 : 1, then how many litres of paint was contained in the bucket initially?

Which of the following pair of numbers is the solution of the equation 3x+2+ 3–x= 10 ?

A tower is broken at a point P above the ground. The top of the tower makes an angle 60° with the ground at Q. From another point R on the opposite sideof Q angle of elevation of point P is 30°. If QR = 180 m, then what is the total height (in metres) of the tower?

If 1 shirt is offered free on purchase of 4 shirts, what is the effective discount (in %) on each shirt?

In the given figure, ,PQRS is a square whose side is 8 cm. PQS and QPR are two quadrants. A circle isplaced touching both the quadrants and the square as shown in the figure. What is the area (in sq.cm) of the circle?

In the given figure, four identical semicircles are drawn in a quadrant. XA = 7 cm. What is the area (in sq.cm) of shaded region ?

Two shirts are bought at the rate of Rs 400 each. Shopkeeper sells one at the profit of 150% and other at the loss of 150%. What will be the total profit or loss in the whole transaction?

Seven years from now Virat will be twice as old as Mohinder. Five years ago Mohinder's age was one year less than 2/5 of Virat's age. What is Virat's present age?