Quantitative Aptitude - Arithmetic Ability Questions

There is 40% increase in an amount in 10 years at simple interest. What will be the compound interest of Rs 25000 after 2 years at the same rate?

Volume of a cube is 512 cubic cm, find its total surface area? (Take π = 22/7)

The numerator of a fraction is multiple of two numbers. One of the numbers is greater than the other by 2. The greater number is smaller than the denominator by 4. If the denominator 7+C (C > -7) is a constant, then the minimum value of the fraction is

The traffic lights at four different road crossings change after every 15 sec, 18 sec, 27 sec and 30 sec respectively. If they all change simultaneously at 6:10:00 hours, then at what time will they again change simultaneously?

If curved surface area of a cylinder is 616 sq cm and height is 14 cm, find its radius?

If secθ + tanθ = 4, then secθ - tanθ = ?

4 + 16 x -12 x 24 - 13 - 3 ÷ 20 - 4 = ?

What is the simplified value of (sec4 A – tan2 A) – (tan4 A + sec2 A)?