Quantitative Aptitude - Arithmetic Ability Questions

If secθ + tanθ = 4, then secθ - tanθ = ?

Point A (2, 1) divides segment BC in the ratio 2:3. Co-ordinates of B are (1, -3) and C are (4, y). What is the value of y?

What is the effective discount (in %) on two successive discounts of 20% and 10%?

Two trains are moving in opposite directions with the same speed. If the length of each train is 144 metres and they cross each other in 9 seconds, then what is the speed (in km/hr) of each train?

How much quantity (in kg) of wheat costing Rs 84 per kg must be mixed with 81 kg of wheat costing Rs 60 per kg so that on selling the mixture at Rs 75.9 per kg, there is a gain of 15%?

The product of two numbers is 0.324. One of the numbers is 1.2. What is the other number?

The length of one side of a rhombus is 41 cm and its area is 720 sq.cm. What is the sum of the lengths of its diagonals?

In a rectangle _____.