Quantitative Aptitude - Arithmetic Ability Questions

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

If a - b = -7 and a2+ b2= 85, then find ab.

Tanya got an increment of 15% in her salary. If her enhanced salary is Rs.14,030. What was her original salary?

In what ratio rice costing Rs 14/kg mixed with another rice costing Rs 11/kg to get the mixture costing Rs 11.6/kg?

If 2y cosθ = x sinθ and 2x secθ - y cosecθ = 3 then what is the value of x2+4y2

The angles of depression of two ships from the top of a light house are 45° and 30° toward east. If the ships are 200m apart, the height of the light house is (take √3=1.73)

If the loss of percent on article is 15%. Then the ratio of the cost price and sell price will be

What number, from the following should be deducted from 1184 to make it exactly divisible by 21?