Quantitative aptitude bits

• If x²,x²y,y³ and k are in proportion, the value of k is

  ypower4

• A man buys 12 articles for Rs 12/- and sells them at the rate of Rs. 1.25 per article. His gain percentage is

  25

• The cost price of 15 articles is same as the selling price of 10 articles. The profit percent is

  50%

• By selling an article for Rs.240/- a man incurs a loss of 10%. At what price should he sell it so that he makes a profit of 20%?

  Rs.320/-

• If a man estimates his loss as 20% of the selling price, then his loss percent is

  Data inadequate

• The ratio of two numbers is 3:8 and their difference is 115. Then the smaller of the two numbers is

  69

• Rs 180/- contained in a box consists of one rupee, 50 paise and 25 paise coins in the ratio 2:3:4. What is the number of 50 palse coins?

  120

• The average of 11 numbers is 10.8. If the average of the first six be 10.4 and that of the last six is 11.5 then the middle(6th) number is

  12.6

• The sides of a rectangular plot are in the ratio 5:4 and its area is equal to 500sq.m. The perimeter of the plot is

  90 m

• The edges of a cuboid are in the ratio 1:2:3 and its surface area is 88cm². The volume of the cuboid is

  48 cm³