Quantitative Aptitude - Arithmetic Ability Questions

If 8x/3 + [7(5 - 2x/3)]/2 = 1/2 , then what is the value of x?

An hour-long test has 60 problems. If a student completes 30 problems in 25 minutes, then the required seconds he has taken on average for computing each of the remaining problems is

A man starts walking from a place X and reaches the place Y in 12 hours. He travels 3/7th of the total distance at the speed of 3 km/hr and the remaining distance at the speed of 4 km/hr. What is the distance (in km) between X and Y?

ΔXYZ is right angled at Y. If cosX = 3/5, then what is the value of cosecZ ?

What is the area (in sq cm) of an equilateral triangle of side 6 cm?

Find the odd word/letters/number pair from the given alternatives.

The ratio of two numbers is 5 : 6. If their product is 1470, then what is the sum of both the numbers?

If a2+1a2 = 38, then find the value of a-1a?