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
Write the following as percent:
\[\frac{5}{8}\]
Write the following as percent:
11 : 80
Write the following as percent:
13 : 75
Find: 25% of Rs 1000
x is 5% of y, y is 24% of z. If x = 480, find the values of y and z.
Balanced diet should contain 12% of proteins, 25% of fats and 63% of carbohydrates. If a child needs 2600 calories in this food daily, find in calories the amount of each of these in his daily food intake.
Mona is 20% younger than Neetu. How much percent is Neetu older than Mona?
Find the percentage change from the first quantity to the second:
50 cm, 45 cm
The original price of an article is ₹ 640. Find its new price when its price is decreased by 20%
Find the value of x if 8% of ₹ x is ₹ 100.
