Advertisements
Advertisements
प्रश्न
Show that the following numbers are in continued proportion:
36, 90, 225
उत्तर
36:90, 90:225
Product of means = 90 × 90 = 8100
Product of extremes = 36 × 225 = 8100
Product of means = Product of extremes
Hence, 36:90::90:225 are in continued proportion.
APPEARS IN
संबंधित प्रश्न
If `(28 - x)` is the mean proportional of `(23 - x)`and `(19 - x)` then find the value of x.
Find the fourth proportion to the following:
(p2q - qr2 ), (pqr - pr2 ) and (pq2 - pr2)
If ( a+c) : b = 5 : 1 and (bc + cd) : bd = 5 : 1, then prove that a : b = c : d
Find the mean proportion of: (a – b) and (a³ – a²b), a> b
What number should be subtracted from each of the numbers 23, 30, 57 and 78 so that the remainders are in proportion ?
The ratio of boys and girls in a school is 12 : 5. If the number of girls is 840, the total strength of the school is
Do the ratios 15 cm to 2 m and 10 sec to 3 minutes form a proportion?
Find the missing number in the box in the proportions:
`8/square = 3.2/4`
Find the missing number in the box in the proportions:
`16/36 = square/63 = 36/square = square/117`
If x + y + z = 0, the value of `x/(y + z)` is ______.