Quantitative Aptitude - Arithmetic Ability Questions

If A : B = 3 : 4 and B : C = 6 : 5 then A : (A + C) is

The ratio of the present ages of Reena and her husband is 4 : 5. 8 years from now, ages of her husband and her son will be in the ratio 24 : 9. If the present age of Reena is 32 years, then what will be her son’s present age (in years)?

If PA and PB are tangents to the circle with centre O such that ∠APB=50°, then the ∠OAB=

In an arithmetic progression, if 9 is the 5th term, -26 is the 12th term, then -6 is which term?

Which of the following is NOT prime number?

How many natural numbers between 15 and 85 are divisible by 7?

A man travelled at 40 kmph. Had he increased his speed by 16 kmph, he would have covered 80 km more in the same time. Find the actual distance travelled?

A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area?