Quantitative Aptitude - Arithmetic Ability Questions

A dealer sold an article at 6% loss. Had he sold it for Rs. 64 more, he would have made a profit of 10%. Then the cost of the article is

Of the 5 numbers whose average is 72, the first is 1/8 times the sum of other 4. The first number is _____.

When a discount of 20% is given on a lunch buffet, the profit is 42%. If the discount is 15%, then the profit is

Selling price of an article is Rs 1144. If loss percentage is 12%, then what is the cost price (in Rs) of article?

Ram is 20 years younger than Shyam. 5 years ago, the ratio of their age was 3:5. The sum of their present age is

In each question two equations numbered I and II are given,you haveto solve both the equation and choose the correctanswer.

$$\begin{gathered} I. 5x2+ 28x = -15 \\ II. 3y2+ 11y + 6 = 0 \end{gathered}$$

In the given figure, two identical circles of radius 4 cm touch each other. A and B are the centres of the two circles. If RQ is a tangent to the circle, then what is the length (in cm) of RQ?

In the given figure, PQ is a diameter of the semicircle PABQ and O is its center. AOB = 64 deg. BP cuts AQ at X. What is the value (in deg) of AXP?