Advertisements
Advertisements
प्रश्न
If m : n = 3 : 8, find the value of (3m+2n) : (5m+n)
उत्तर
m : n = 3 : 8 ⇒ `"m"/"n" = 3/8`
(3m+2n) : (5m+n) = `(3"m" + 2"n")/(5"m" + "n")`
= `(3 xx "m"/"n" + 2)/(5 xx "m"/"n" + 1)`
= `(3 xx 3/8 + 2)/(5 xx 3/8 + 1)`
= `(9/8 + 2)/(15/8 + 1)`
= `25/23` = 25 : 23
(3m+2n) : (5m+n) = 25 : 23
APPEARS IN
संबंधित प्रश्न
If a : b = 3 : 8, find the value of `(4a + 3b)/(6a - b)`.
Find the sub-duplicate ratio of the following :
`1/16 : 1/36`
Which ratio is greater:
`8/15` or `5/9`
Find the ratio of the first quantity to the second.
40 rupees, 120 rupees
Find the ratio of the first quantity to the second.
99 kg, 44000 grams
Show that 48, 60, 75 are in continued proportion.
Ratio of 5 km 400 m to 6 km = _______________
The yield of wheat from 8 hectares of land is 360 quintals. Find the number of hectares of land required for a yield of 540 quintals?
Distances travelled by Hamid and Akhtar in an hour are 9 km and 12 km. Find the ratio of speed of Hamid to the speed of Akhtar.
Out of 1800 students in a school, 750 opted basketball, 800 opted cricket and remaining opted table tennis. If a student can opt only one game, find the ratio of number of students who opted basketball to the total number of students.
