Quantitative Aptitude - Arithmetic Ability Questions

What is the value of √[(1 - sinA)/(1 + sinA)]?

The ratio of two numbers is 5 : 4. If the sum of both the numbers is 180, then what is the smaller number among both the numbers?

A sum of Rs. 69 was divided between Jason and Ruhana in the ratio 1:2. How much money did Ruhana get?

A car can cover 350 km in 4 hrs. If its speed is decreased by 12.5 kmph. How much time does the car take to cover a distance of 450 kms.

The product of two numbers is 48. If one number equals "The number of wings of a bird plus 2 times the number of fingers on your hand divided by the number of wheels of a Tricycle". Then the other number is

The first and last terms of an arithmetic progression are 29 and -49. If the sum of the series is -140, then it has how many terms?

The mean of marks secured by 45 students in division A of class X is 69, 65 students of division B is 65 and that of 50 students of division C is 63. Find the mean of marks of the students of three divisions of Class X.

The mean of 14 observations is 11. One more observation is included and the new mean becomes 12. The 15th observation is