Advertisements
Advertisements
प्रश्न
Find the fourth proportional of 3, 12 and 4
उत्तर
Fourth proportional of 3, 12 and 4
`= (12 xx 4)/3 = 16`
APPEARS IN
संबंधित प्रश्न
Find the ratio of the speed of a cycle 15 km per hour to the speed of scooter 30 km per hour.
Convert the following ratio to a percentage.
2 : 3
If a : b = 3 : 5, find: (10a + 3b) : (5a + 2b)
Find the value of x, if: (2x + 3) : (5x – 38) is the duplicate ratio of `sqrt(5) : sqrt(6)`.
Find the ratio of the following in the simplest fcrm:
a4 + b4 and a3 - b3
Find the duplicate ratio of the following :
`3 sqrt (2"a") : 2 sqrt (3"a")`
Find the triplicate ratio of the following :
3 : 5
What quantity must be subtracted from each term of the ratio 39 : 89 to make it equal to 2 : 5 ?
If `"a"/("b + c") = "b"/("c + a") = "c"/("a + b")` , then prove that a(b - c) + b(c-a) + c (a - b) = 0
Is the ratio of 6 g and 15 g same as the ratio of 36 cm and 90 cm ?
Find the ratio between 5 dozen and 2 scores. [1 score = 20]
If a: b with a ≠ b is the duplicate ratio of a + c: b + c, show that c2 = ab.
If a : b = 5 : 3, show that (5a + 8b) : (6a – 7b) = 49 : 9.
Find the mean proportional between 0.6 and 9.6
Find the ratio of the first quantity to the second.
125 cm, 1 metre
If (x + 2y) : (2x – y) is equal to the duplicate ratio of 3 : 2, find x : y.
The boys and the girls in a school are in the ratio 9 : 5. If the total strength of the school is 448, find the number of girls.
4:7 = 20:35
A ratio will always be more than 1.
