Quantitative Aptitude - Arithmetic Ability Questions

A shop keeper allows 20% discount on the marked price on his articles. Find the marked price of an article for which he charges Rs. 740

If x + y = 10 and x2 + y2 = 68, then find xy

A sum of Rs 1200 amounts to Rs 1740 in 3 years at simple interest. If rate of interest is increased by 3%, then what will be the new amount (in Rs)?

If a wholesaler, sells a box of chocolates at Rs 960 he gains 20%. Now if he decides to sell it at Rs 1120, what is his profit percentage?

Marked price of an item is Rs 900. On purchase of 2 items discount is 6%, on purchase of 3 items discount is 12%. Rajani buys 5 items, what is the effective discount?

In a trapezium, one diagonal divides the other in the ratio 2 : 9. If the length of the larger of the two parallel sides is 45 cm, then what is the length (in cm) of the other parallel side?

The LCM of two numbers is 66. The numbers are in the ratio 2:3. The sum of the numbers is

If a3+ b3 = 19 and a + b = 1, then what is the value of ab?