Quantitative Aptitude - Arithmetic Ability Questions

10 people could complete a task in 8 days. After 4 days, 2 of the workers left. How many days from then did it take to complete the task?

The mean of marks secured by 35 students in division A of class X is 65, 45 students of division B is 61 and that of 70 students of division C is 59. What is the mean of marks of the students of three divisions of Class X?

A chord of length 60 cm is at a distance of 16 cm from the centre of a circle. What is the radius (in cm) of the circle?

Which of the set of three sides can't form a triangle?

A cylindrical capsule has hemispherical ends of the radii equal to radius of the cylindrical part. If length of the capsule is 40 m and radius 6 m, what is the total surface area of this capsule?

Determine the largest 4 digit number which is a perfect square.

What least number must be added to 213, so that the sum is completely divisible by 9?

If [4(2x/5 - 3/2)]/3 + 7/5 = 37/5, then what is the value of x?