Quantitative Aptitude - Arithmetic Ability Questions

What is the value of [tan (90 – A) + cot (90 – A)]2/[2 sec2(90 – 2A)]?

If a.sin 45°.cos 45°.tan60° = tan 245° ­ cos60° then find the value of a ?

If Sin θ = 12/13, then what is the value of Cot θ?

What is the reflection of the point (2, 3) in the line y = 4?

If Cot θ = 24/7, then Sin θ = ?

The distance between the tops of two building 38 metres and 58 metres high is 52 metres. What will be the distance (in metres) between two buildings?

The ratio of cost price and selling price 25:26. The percent of profit will be

If Rajan purchase 21 pens for Rs 20 and sell all the pens at the rate of 20 pens for Rs 21, then what will be the profit percentage?