Quantitative Aptitude - Arithmetic Ability Questions

A contractor has got two orders A and B. On one (A) he spends Rs. 25,000 and makes a bill of Rs. 30,500. On the other (B) he makes a bill keeping a profit of 20%. Which of the two orders is more profitable to him?

Three solid spheres have their radii r1, r2 and r3. The spheres are melted to form a solid sphere of bigger radius. Then the radius of the new sphere is

Divide 32 into two parts such that the sum of the square of the parts is 674. What is the value of the parts?

Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. The ratio between the capacity of a man and a woman is

If X=32, then the value of 27x3-54x2+36x-11 is

Two circles are having radii 9 cm and 12 cm. The distance between their centres is 15 cm. What is the length (in cm) of their common chord?

If cost price of 5 cars is equal to selling price of 4 cars. Find the percentage of profit or loss?

An engineering student has to secure 25% marks to pass. He gets 56 and fails by 34 marks. Find the maximum marks.