Quantitative Aptitude - Arithmetic Ability Questions

Ticket for an adult is Rs 1500 and a child is Rs 800. 1 child goes free with two adults. If a group has 25 adults and 12 children what is the discount the group gets?

If a2+b2=80 and ab = 32, then calculate the value of a-b/a+b.

The value of cosec260 + sec260 cot260 + tan230 will be

If the radius of a circle is increased by 21%, then its area will increase by what percent?

A missile travels at 1116 km/h. How many metres does it travel in one second?

24 men can repair a road in 50 days. If they are joined by 16 more men, then in how much time (in days) the road can be repaired?

A wholesaler sells a watch to a retailer at a profit of 33% and the retailer sells it to a customer at a loss of 20%. If the customer pays Rs 2,181.2, what had it cost the wholesaler?

If x + y = 12 and xy = 32, then what is the value of  x2 + y2 ?