Quantitative Aptitude - Arithmetic Ability Questions

A boy crosses a 300 metres wide road in 30 seconds. What is his speed (in km/hr)?

If cosθ = x2-y2x2+y2, then the value of cotθ is

What is the third proportional to 10 and 25?

A Village lost 12% of its goats in a flood and 5% of remainder died from diseases. If the number left now is 8360. What was the orignal number before the flood?

When a number is increased by 34, it becomes 117% of itself. What is the number?

ΔABC is right angled at B. If m ∠A = 60°, then what is the value of 1/√3 Cosec C?

If A : B = 3 : 4 and B : C = 6 : 5 then A : (A + C) is

If a + b = 10 and ab = 24, then the value of a3 + b3 is