Quantitative aptitude bits

  • If the volumes of two cubes are in the ratio 27:1 the ratio of their edges is

    3:1

  • The sum of two numbers is 2940. If 6.5% of one number is equal to 8.5% of the other, then find the difference between the first and the second number.

    392

  • Ankur earns a commission of x% on sale up to Rs.8000 and y% on the part of sale exceeding it. He takes Rs.2460 as a commission on a sale of Rs.15000 and Rs.4080 as a commission on a sale of Rs.24000. Find the difference between the value of x and that of y.

    3

  • The difference between the interest received from two different banks on Rs 500 for 2 years is Rs 2.50. The difference between their rates is ...

    0.25%

  • The volume of a cubical box is 3.375 cubic metres. The length of edge of the box is ....

    1.5 m

  • A can do a piece of work in 20 days which B can do in 12 days. B worked at it for 9 days. A can finish the remaining work in ....

    5 days

  • A batsman in his 12th innings makes a score of 63 runs and there by increases his average scores by 2. What is his average after the 12th innings?

    39

  • The length of a minute hand of a clock is 7cm. The area swept by the minute hand in 30 minutes is .........

    77 sq.cm.

  • A team played 40 games in a season and won in 24 of them. What percent of games played did the team win?

    60%

  • The ratio of the edges of rectangular parallelopiped is 1:2:3 and its volume is 1296 cubic cm. The area of the whole surface in sq.cm. is ....

    792