Quantitative Aptitude - Arithmetic Ability Questions

In what time(in years) will Rs. 8000 amount to Rs. 9261 at 5% per annum, compounded annually?

If 3.352 -­ (9.759 -­ x ) -­ 19.64 = 7.052, then what is the value of x?

If 8x/3 + [7(5 - 2x/3)]/2 = 1/2 , then what is the value of x?

If Cos θ = 5/13, then Cosec θ = ?

Mohan earns a profit of 20% on selling a jean at 15% discount on printed price. The ratio of the cost price to printed price of the jean is

There were 24 studentsina class. One of them, who was 18 years old, left the class and his place was filled up by a new comer.Ifthe average of the class was thereby lowered by 1 month, the age of new comer is-

If the age of Rahul is 5 years more than his friend Ajay's age and the age of Rahul's wife is 6 years less than Rahul, and Ajay's wife is 1 year older than Rahul's wife, then which of the following statements is true?

The orthocentre of an obtuse­angled triangle lies