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?

A box weighs 8.5 kg when full of sand and weighs 5.5 kg when it is half filled with sand . Weight of the empty box is

There is a 4% increase in volume when a liquid freezes to its solid state. The percentage decrease when solid melts to liquid again, is

In a class, 60% of children like Mathematics, 45% like Science and 25% like both Mathematics and Science. What is the percentage of children who like at least one subject?

The LCM of two numbers is 66. The numbers are in the ratio 2:3. The sum of the numbers is

Reduce 3596 / 4292 to lowest terms.

What is the rate of interest (in %) if simple interest earned on a certain sum for the 3rd year is Rs 2,000 and compound interest earned in 2 years is Rs 4,160?

A car travels a certain distance at 70 km/h and comes back at 30 km/h. Find the average speed for total journey.