Advertisements
Advertisements
प्रश्न
Determine if the following numbers are in proportion:
7, 42, 13, 78
उत्तर
7, 42, 13, 78
`7/42=(7 ÷ 7)/(42 ÷ 7)=1/6 ;13/78=(13 ÷ 13)/(78 ÷ 13)=1/6`
Hence, 7:42::13:78 are in proportion.
APPEARS IN
संबंधित प्रश्न
If x, y, z are in continued proportion prove that `(x + y)^2/(y + z)^2 = x/z`
Check whether the following numbers are in continued proportion.
3, 5, 8
Find the mean proportion of the following :
0.09 and 0.25
Find the mean proportion of the following :
`28/3` and `175/27`
The ratio 92 : 115 in its simplest for is
Two numbers are in the ratio 5 : 7 and the sum of these numbers is 252. The larger of these numbers is
Choose the correct answer from the given options :
The mean proportional between `(1)/(2)` and 128 is
If b : a = c : d, then a, b, c, d are in proportion.
A recipe calls for 1 cup of milk for every `2 1/2` cups of flour to make a cake that would feed 6 persons. How many cups of both flour and milk will be needed to make a similar cake for 8 people?
Determine if the following are in proportion.
15, 45, 40, 120