Advertisements
Advertisements
Question
Only one-fifth of water is available in liquid form. This limited amount of water is replenished and used by man recurrently. Express this information as percent, showing:
(i) water available in liquid form.
(ii) water available in frozen form.
Advertisements
Solution
Let the total quantity of water = 1
Water available in liquid form = `1/5`
∴ Water available in frozen form
= `1-1/5=(5-1)/5=4/5`
Water used by a man = `1/5`
Percent of water available in liquid form
= `1/5xx100` = 20%
and percent of the water available in frozen form
= `4/5xx100` = 80%
APPEARS IN
RELATED QUESTIONS
Find the percentage change, when a number is changed from :
6.25 to 7.50
In an objective type paper of 150 questions; John got 80% correct answers and Mohan got 64% correct answers.
(i) How many correct answers did each get?
(ii) What percent is Mohan’s correct answers to John’s correct answers?
Two numbers are respectively 20 percent and 50 percent more than a third number. What percent is the second of the first?
Find the value of the following:
15% of 2 minutes
An alloy of copper and zinc contains 45% copper and the rest is zinc. Find the weight of zinc in 20 kg of the alloy.
Anbu scored 436 marks out of 500 in his exams. What was the percentage he scored?
Yazhini scored 15 out of 25 in a test. Express the marks scored by her in percentage
The population of a village is 8000. Out of these, 80% are literate and of these literate people, 40% are women. Find the ratio the number of literate women to the total population.
`(25% "of" 50% "of" 100%)/(25 xx 50)` is equal to ______.
If Ankita obtains 336 marks out of 600, then percentage of marks obtained by her is 33.6.
