Advertisements
Advertisements
Question
What number: When decreased by 50% becomes 50?
Solution
Let the number be = 100
Decrease = 50% = 50
∴ Decreased number = 100 - 50 = 50
If decreased number is 50, then original number = 100
and if decreased number is 50, then original number `= (100xx50)/50 = 100`
APPEARS IN
RELATED QUESTIONS
In an election, two candidates A and B contested. A got 60% of the votes. The total votes polled were 8000. How many votes did each get?
Increase: 20 by 15%
Increase: 48 by `12 1/2` %
Decrease: 50 by 12.5 %
If the price of an article is reduced by 10%, the reduction is Rs. 40. What is the old price?
If x is 30% more than y; find : `"y"/("y" - "x")`
Out of 1200 pupils in a school, 900 are boys and the rest are girls. If 20% of the boys and 30% of the girls wear spectacles, find :
(i) how many pupils in all, wear spectacles?
(ii) what percent of the total number of pupils wear spectacles?
A number is first decreased by 40% and then again decreased by 60%. Find the percentage increase or decrease on the whole.
If 150% of a number is 750, find 60% of this number.
The percentage of 4.7 is