Advertisements
Advertisements
प्रश्न
At a particular time, the length of the shadow of Qutub Minar whose height is 72 m is 80 m. What will be the height of an electric pole, the length of whose shadow at the same time is 1000 cm?
Advertisements
उत्तर
∵ Length of Qutub Minar = 72 m
And its shadow at particular time = 80 m
Length of shadow of electric pole = 1000 cm = 10 m ...`[∵ 1 cm = 1/100 m]`
∴ Length of electric pole = `72/80 xx 10` = 9 m
APPEARS IN
संबंधित प्रश्न
A factory required 42 machines to produce a given number of articles in 63 days. How many machines would be required to produce the same number of articles in 54 days?
In which of the following table x and y vary inversely:
| x | 9 | 24 | 15 | 3 |
| y | 8 | 3 | 4 | 25 |
If x and y vary inversely as other and x = 30, find y when constant of variation = 900.
Five workers take 12 days to weed a field. How many days would 6 workers take? How many would 15 take?
12 cows can graze a field for 10 days. 20 cows can graze the same field for _______ days
If x varies inversely as y and x = 4 when y = 6, then when x = 3 the value of y is ______.
If x varies inversely as y and when x = 6, y = 8, then for x = 8 the value of y is 10.
Write whether the following statement vary directly, vary inversely with each other, or neither of the two.
Compound interest on a given sum and the sum invested.
If a deposit of Rs 2,000 earns an interest of Rs 500 in 3 years, how much interest would a deposit of Rs 36,000 earn in 3 years with the same rate of simple interest?
