Quantitative Aptitude - Arithmetic Ability Questions

If xy = -18 and x2+ y2= 85, then find the value of (x + y).

By which least number should 5000 be divided so that it becomes a perfect square?

If 31% of an electricity bill is deducted, Rs 1794 is still to be paid. How much was the original bill amount?

24 men can complete a piece of work in 18 days while 12 women can complete the same piece of work in 28 days. 27 men start working and are replaced by 14 women after 8 days. In how many days will 14 women finish the remaining work?

Two cars travel from city A to city B at a speed of 60 and 108 km/hr respectively. If one car takes 2 hours lesser time than the other car for the journey, then the distance between City A and City B?

Ankit runs 324 metres every day for his fitness. According to his daily routine in how many days he covers 8.1 km.

Mayank, Deepak and Pawan, each of them working alone can complete a work in 5, 10 and 15 days respectively. If all three of them work together to complete a work and earn Rs. 12000 what will be Deepak's share of the earnings?

ABC is a right angled triangle in which ∠A = 90°, AB = 5 cm and AC = 12 cm. What is the approximate volume (in cm3) of the double cone formed by rotating the triangle about its hypotenuse?