CSC Company Numerical Ability Profit and Loss

The marked price of a clock is Rs.6400. It is to be sold at Rs.4896 at two successive discounts. If the first discount is 10%, the second discount is

a) 10% b)4% c)15% d)20%

Read Solution (Total 3)

ans:
6400/10=640 discount 1st then we get 5760
5760-4896=864 in 2nd discount so 864*15=5760
ans 15%
12 years agoHelpfull: Yes(0) No(0)

ans.
(100-x)%of 90% of 6400=4896
x=15%
10 years agoHelpfull: Yes(0) No(0)
The marked price of a clock is Rs.6400. It is to be sold at Rs.4896 at two successive discounts. If the first discount is 10%, the second discount is
10
5 years agoHelpfull: Yes(0) No(0)

CSC Other Question

Find by how much percentage the average of first 10 odd numbers (starting from 1) is greater than the last term.

A)900/19 %

B)800/66 %

C)Cannot be determined An intelligent boy is doing a jigsaw with 275 pieces. Each day that he fits pieces together there are fewer pieces left, and it is reasonable to assume that he fits more pieces each day because the number left to sort out diminishes progressively. Hence he is able to fit an extra piece as each day goes by. On the first day he fits 20 pieces. How many days does it take for him to complete the puzzle?

a) 11 b) 10 c) 12 d) 13