Advertisements
Advertisements
प्रश्न
Find the mean proportional between 16 and 4
उत्तर
Mean proportional between 16 and 4
`sqrt(16 xx 4) = sqrt64 = 8`
APPEARS IN
संबंधित प्रश्न
If (a – b) : (a + b) = 1 : 11, find the ratio (5a + 4b + 15) : (5a – 4b + 3).
Find the compound ratio of 2 : 3, 9 : 14 and 14 : 27
What quantity must be added to each term of the ratio x : y so that it may become equal to c : d?
If a: b = 4: 7, find the following:
`(5"a" + 2"b")/(5"a" - 2"b")`
Two positive numbers are in the ratio 3: 4 and the sum of their squares is 1225. Find the numbers.
Express the following ratios in its simplest form :
48: 54
Express the following ratios in its simplest form :
2.5 : 1.5
Find the ratio between 5 dozen and 2 scores. [1 score = 20]
Find: The duplicate ratio of 7: 9
Find: The reciprocal ratio of 8: 15.
Find the fourth proportional of `1/3, 2/5 "and" 8.4`
If a : b = 1.5 : 3.5 and b : c = 5 : 6, find a : c.
Find the ratio of the first quantity to the second.
1 litre, 250 ml
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.
Choose the correct answer from the given options :
A ratio equivalent to the ratio `(2)/(3) : (5)/(7)` is
4:7 = 20:35
3:33 = 33:333
In figure, what is the ratio of the areas of
(a) shaded portion I to shaded portion II?
(b) shaded portion II to shaded portion III?
(c) shaded portions I and II taken together and shaded portion III?
In figure, find the ratio of the area of the shaded portion to that of the whole figure:
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.