Quantitative Aptitude - Arithmetic Ability Questions

The average weight of 30 students in a class is 25 kgs. If the weight of the class teacher is added, the average weight increase by 2 kgs. The weight of the class teacher in kgs is

What is the reflection of the point (-2, 5) in the line x = -1?

The sum of three numbers is 252. If the first number is thrice the second and third number is two-third of the first, then the second number is

Two numbers are 35% and 40% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

What is the value of sin ­-300°?

Rearrange the jumbled up letters in their natural sequence ad find the odd one out.

If tanA + tanB = X, then the value of X is

Three balls ring at intervals of 15, 30 and 45minutes respectively. At what time will they ring together again, if they rang simultaneously at 8.00 AM?