Advertisements
Advertisements
प्रश्न
What per cent of 1 hour is 30 minutes?
Advertisements
उत्तर
Let x% of 1 h be 30 min.
Then, `x/100 xx 1 h` = 30 min
⇒ `x/100 xx 60` min = 30 min ...[∵ 1 h = 60 min]
⇒ `x = (30 xx 100)/60`
∴ x = 50%
Hence, 50% of 1 h is 30 min.
APPEARS IN
संबंधित प्रश्न
A coolie deposits Rs 150 per month in his post office Savings Bank account. If this is 15% of his monthly income, find his monthly income.
An alloy contains 32% copper, 40% nickel and rest zinc. Find the mass of the zinc in 1 kg of the alloy.
The population of a town increases by 10% annually. If the present population is 60000, what will be its population after 2 years?
Find the percentage change, when a number is changed from :
6.25 to 7.50
In a combined test in English and Physics; 36% candidates failed in English; 28% failed in Physics and 12% in both; find:
the percentage of passed candidates
Find the value of `12 1/2 %` of 80 kg
By weight, 90% of tomato and 78% of potato is water. Find the weight of potato which contains 39 kg of water.
0.5252 is _______ %
Rewrite the underlined part using percentage language.
One half of the cake is distributed to the children
Lalitha took a math test and got 35 correct and 10 incorrect answers. What was the percentage of correct answers?
