Quantitative Aptitude - Arithmetic Ability Questions

Two trains, one 150 m long and the other 130m long, coming from opposite directions crosssed each other in 7.2 seconds. The sum of speed of the two trains every hour would then be

Six year ago Parvez’s age was same as the present age of Manish. If the present age of Parvez is one-fourth more than that of Manish's present age, then in how many years will Parvez’s age become double of Manish’s present age?

The LCM of 72 and 84 is:

In the following question, select the odd letter/letters from the given alternatives.

If secA -­ tanA = x, then the value of x is

The average age of 19 boys in a class is 21 years. If the teacher's age is included, the average increases to 22 years. What is the teacher's age?

Ankit runs 324 metres every day for his fitness. According to his daily routine in how many days he covers 8.1 km.

ABCD is a cyclic quadrilateral ∠DBA=50° and ∠ADE=33°, then the measurement of ∠BCD is