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?

What is the measure of an interior angle of a regular polygon of 10 sides?

Two men are on opposite sides of a tower. They measure the angles of elevation of the top of the tower as 30 ̊ and 45 ̊ respectively. If the height of the tower is 50 m, the distance between the two men 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

To cover a distance of 144 km in 3.2 hours what should be the average speed of the car in meters/second?

Iftan 450=cot∅, then the value of ∅, in radians is 

Rs. x invested at 9% simple interest per annum for 5 years yields the same interest as that on Rs. y invested at 6.25% simple interest per annum for 8 years. Find x:y.

Deepti bought a set of cups for Rs. 175, but then had to sell it later to clear old stocks for Rs. 161. What is the percentage of loss that she had to incur?