Advertisements
Advertisements
प्रश्न
Show that 2, 12 and 72 are in continued proportion.
Advertisements
उत्तर
Three numbers a, b and c are in continued
proportion if, a : b : : b : c
The numbers are 2, 12 and 72
`"a"/"b" = 2/12 = 1/6`
`"b"/"c" = 12/72 = 1/6`
As, `"a"/"b" = "b"/"c"`
∴ 2, 12 and 72 are in continued proportion.
APPEARS IN
संबंधित प्रश्न
Find triplicate ratio of `m/2 : n/3`
`square` ABCD is a parallelogram. The ratio of `angle`A and `angle`B of this parallelogram is 5 : 4. Find the measure of `angle`B.
Which of the Following Ratio is Greater ?
3 : 5 and 2 : 11
The present age of two persons are in the ratio 4: 3. Nine years hence their ages will be in the ratio 23: 18. Find their present ages.
Express the following ratios in its simplest form :
2.5 : 5
Arrange the following ratios in ascending order of magnitude: 2 : 3, 17 : 21, 11 : 14 and 5 : 7
In an examination, the ratio of passes to failures was 4 : 1. If 30 less had appeared and 20 less passed, the ratio of passes to failures would have been 5 : 1. How many students appeared for the examination
A bus covers 128 km in 2 hours and a train covers 240 km in 3 hours. Find the ratio of their speeds.
Neelam’s annual income is Rs. 288000. Her annual savings amount to Rs. 36000. The ratio of her savings to her expenditure is ______.
The ratio of the perimeter of the boundary of the shaded portion to the perimeter of the whole figure is ______.

