Advertisements
Advertisements
प्रश्न
A student used the proportion `n/100 = 5/32` to find 5% of 32. What did the student do wrong?
उत्तर
Given, student used the proportion `n/100 = 5/32`
⇒ 5% of 32 will be calculated as `5/100 xx 32`
Since, x% of `n = x/100 xx n`
= `32/20`
= 1.6
But student finding percent is 5 of 32.
APPEARS IN
संबंधित प्रश्न
Write the following as percent:
15 : 16
Deepti went to school for 216 days in a full year. If her attendance is 90%, find the number of days on which the school was opened.
Gunpowder contains 75% nitre and 10% sulphur. Find the amount of the gunpowder which carries 9 kg nitre. What amount of gunpowder would contain 2.3 kg sulphur?
Out of 800 oranges, 50 are rotten. Find the percentage of good oranges.
The number 12,000 is first decreased by 25% and then increased by 25%. Find the resulting number.
A’s income is 25% more than B’s. Find, B’s income is how much percent less than A’s.
Express the following percentage as a fraction and as a decimal number:
5 %
30% of ₹ 360 = ______.
Savitri obtained 440 marks out of 500 in an examination. She secured ______% marks in the examination.
25 ml is ______ percent of 5 litres.
