Search found 4 matches
- by [email protected]
Mon Apr 23, 2012 4:54 am- Forum: Problem Solving
- Topic: Reply
- Replies: 1
- Views: 709
Even itself mean that it is an integer i.e set of even numbers and odd numbers is the subset of set of integers. Hence we don't check the divisibility of non integers.
- by [email protected]
Mon Apr 23, 2012 4:50 am- Forum: Problem Solving
- Topic: quick question on divisibility - need expert help
- Replies: 7
- Views: 1278
discount problem
Question: "The cost price of a doll is Rs.250 and Marked price is Rs.300. What is the discount to be given to get the 20% profit?" Solution: Let S.P=x Profit%= (S.P - C.P)* 100 / C.P 20 = (x-250)* 100 / 250 20*250/100 = x-250 50 = x-250 50+250 = x Hence S.P = Rs.300 & M.P = Rs.300 Henc...
- by [email protected]
Mon Apr 23, 2012 4:29 am- Forum: Problem Solving
- Topic: discount problem
- Replies: 4
- Views: 1080
Age
At present the age of father is triple the age of son. After nine years the age of the son is half of the age of the father. What was the age of father when the son was born?
- by [email protected]
Sat Apr 14, 2012 11:23 pm- Forum: Problem Solving
- Topic: Age
- Replies: 1
- Views: 881