Quantitative Aptitude - Arithmetic Ability Questions

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

P(4,2) and R(-2,0) are vertices of a rhombus PQRS. What is the equation of diagonal QS.

Mr. Mike borrowed Rs. 8500 at 4% per annum C.I. The C.I. compounded annally for 2 years is :

The area of a circle is 346.5 cm2. Find its circumference (in cm).

Makarand works 2 times as fast as Samarjit. If Samarjit can complete a job alone in 27 days, then in how many days can they together finish the job?

The average age of 24 students is 12 years. It was observed that while calculating the average age, the age of a student was taken as 14 years instead of 8 years. What will be the correct average age (in years)?

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 x2+1x2 = 2, then the value of x - 1x is