Quantitative Aptitude - Arithmetic Ability Questions

If a retailer offers a discount of 28% on the marked price of his goods and thus ends up selling at cost price, what was the % mark up?

A sum of Rs 400 becomes Rs 448 at simple interest in 2 years. In how many years will the sum of Rs 550 amounts to Rs 682 at the same rate?

If the 8 digit number 136P5785 is divisible by 15, then find the least possible value of P?

If a+1a2=3,then the value of a2+1a2 will be

While selling a watch, a shop-­keeper gives a discount of 5%. If he gives a discount of 7%, he earns Rs.15 less as profit. The marked price of the watch is

If cot(A/2) = x, then the value of x is

In the given questions, two equations numbered I and II are given. Solve both the equation and mark the appropriate answer.

$$\begin{gathered} I. x2–5x –24 = 0 \\ II. 2y2+ 19y + 35 = 0 \end{gathered}$$

If √(1 - cos2A)/cosA = x, then the value of x is