Quantitative Aptitude - Arithmetic Ability Questions

Three electronic devices make a beep after every 48 sec, 72 sec and 108 sec respectively. They beeped together at 10 a.m. The time when they will next make a beep together at the earliest is

Manjeet can do a work in 18 hours. If he is joined by Jaya who is 100% more efficient, in what time will they together finish the work?

In a class of 50 students there are 27 boys. The average weight of these boys is 72 Kg and average weight of the full class is 55.44 kgs. What is the average weight (in kgs) of the girls of the class?

Speed of a boat along and against the current are 14 kms/hr and 8 kms/hr respectively. The speed of the current is

If a3 + b 3 = 35 and ab = 6, then what is the value of a + b?

Select the odd word from the given alternatives.

If Sec θ = 13/12, then Cot θ = ?

If 2cosAsinB = x, then the value of x is?