Advertisements
Advertisements
Question
Find the value of x if 32% of x kg is 400 kg.
Advertisements
Solution
Given, 32% of x kg is 400 kg.
∴ `32/100 xx x = 400`
⇒ `x = (400 xx 100)/32`
⇒ x = 1250 kg
APPEARS IN
RELATED QUESTIONS
The value of a machine depreciates every year by 5%. If the present value of the machine be Rs 100000, what will be its value after 2 years?
A number when increased by 23% becomes 861; find the number.
A number when decreased by 16% becomes 798 ; find the number.
Express the following as percent: `3/4`
Express the following percentage as a fraction and as a decimal number:
175 %
Find the value of `33 1/3 %` of 27 m
Express the following statement in the percentage form:
13 out of 20
The price of a scooter was ₹ 8000 in 1975. It came down to ₹ 6000 in 1980. By what percent had the price of the scooter came down?
Sunscreens block harmful ultraviolet (UV) rays produced by the sun. Each sunscreen has a Sun Protection Factor (SPF) that tells you how many minutes you can stay in the sun before you receive one minute of burning UV rays. For example, if you apply sunscreen with SPF 15, you get 1 minute of UV rays for every 15 minutes you stay in the sun.
A sunscreen with SPF 15 allows only `1/15` of the sun’s UV rays. What per cent of UV rays does the sunscreen abort?
15 kg is ______ % of 50 kg.
