Quantitative Aptitude - Arithmetic Ability Questions

In a motor of 120 machine parts, 5% parts were defective. In another motor of 80 machine parts, 10% parts were defective. For the two motors considered together, the percentage of defective machine parts were

In how many years will Rs 25,000 yield Rs 8,275 as compound interest at 10% per annum compounded annually?

If one root of the equation Ax2 +Bx + C = 0 is two and a half times the others, then which of the following is TRUE?

What is the value of 53% of 7400?

If the price of sugar is decreased by 18%, then a person can buy 16.2 kg sugar more for Rs 4500. What will be the new price (in Rs) of sugar per kg?

The two equations are 4x + 4ky-6=0 and x+6y-12=0. Find the value of k for the pair of two linear equations represents the parallel lines.

The price of a shirt after 15% discount, is Rs.119. What was the marked price of the shirt before discount

Find the odd words/letters/number from the given alternatives.