Advertisements
Advertisements
Question
What number: When decreased by 15% becomes 170?
Solution
Let the number be = 100
Increase = 15% = 15
∴ Decreased number = 100 - 15 = 85
If decreased number is 85, then original number = 100
and if decreased number is 170, then original number `= 100/85 xx 170 = 200`
APPEARS IN
RELATED QUESTIONS
Convert the given decimal fraction to percent.
0.65
Convert given percent to decimal fraction and also to fraction in simplest form:
150%
Express: 9 hours as a percent of 4 days.
Increase: 80 by 140%
What number: When increased by 10% becomes 88?
If x is 20% less than y, find : `"x"/("y" - "x")`
In an examination, first division marks are 60%. A student secures 538 marks and misses the first division by 2 marks. Find the total marks of the examination.
A number first increases by 20% and then decreases by 20%. Find the percentage increase or decrease on the whole.
0.07 is equal to ______.
An analysis showed that 0.06 per cent of the T-shirts made by one company were defective. A student says this is 6 out of every 100. What is the student’s error?
