Quantitative Aptitude - Arithmetic Ability Questions

The sum of a fraction and 7 times its reciprocal is 11/2. What is the fraction?

Mummy can bake 75 cakes in 15 hours, Mummy and Sister together can bake 120 cakes in 20 hours. How many cakes Sister can bake in 30 hours?

What is the fourth proportional to 24, 120 and 22?

Δ DEF is right angled at E. If m∠D = 45°, then what is the value of cosecF X cotD?

Which single discount will be equal to two successive discounts of 12% and 5%?

The area of a rhombus having one side 10 cm and one diagonal 12 cm is

ΔPQR is right angled at Q. QS is the altitude. PQ is 2√13 cm and PS is 8 cm. What is the length of SR?

If Sin 31° = xy, then the value of Sec 31° - Sin 59° is