Quantitative Aptitude - Arithmetic Ability Questions

The ratio of three numbers is 2 : 5 : 7. If their product is 1890, then what is the sum of the three numbers?

Δ ABC is right angled at B. If m∠A = 60°, then what is the value of sec C.sin A?

What is the value of [(cos 7A + cos 5A)÷(sin 7A – sin 5A)]?

If Cot θ = 24/7, then what is the value of Sec θ?

Reciprocal of 235?

Find the area (in sq.cm) of a semi-circle of radius 7 cm

If two successive discounts of 30% and 10% are given, then what will be the ratio of marked price to selling price?

If x = 2 +√3, y = 2 – √3 and z = 1, then what is the value of (x/yz) + (y/xz) + (z/xy) + 2 [(1/x) + (1/y) + (1/z)]?