Advertisements
Advertisements
प्रश्न
Check whether the following quantities form a proportion or not?
3x, 7x, 24 and 56
उत्तर
3x, 7x, 24 and 56
If these are in proportion, then
3x × 56 = 7x × 24
⇒ 168 x = 168 x
which is true.
Hence 3x, 7x, 24 and 56 are in proportion.
APPEARS IN
संबंधित प्रश्न
The monthly pocket money of Ravi and Sanjeev are in the ratio 5 : 7. Their expenditures are in the ratio 3 : 5. If each saves Rs. 80 every month, find their monthly pocket money.
Find sub-duplicate ratio of 9 : 16
Find the value of x, if: (3x – 7) : (4x + 3) is the sub-triplicate ratio of 8 : 27.
Find the sub-duplicate ratio of the following :
`(9"a"^2)/5 : (25"a"^2)/3`
If (5x+3) : (3x+ 1) is the triplicate ratio of 4 : 3 , find x.
In a mixture of 126 kg of milk and water, milk and water are in ratio 5 : 2. How much water must be added to the mixture to make this ratio 3 : 2?
If x : y = 2 : 3, find the value of (3x + 2y) : (2x + 5y).
Express the given ratio in its simplest form: 6 months: `1 1/3` years
Find the mean proportional between 16 and 4
Find the value of x, when 2.5 : 4 = x : 7.5.
The ratio of the length and the width of a school ground is 5 : 2. Find the length, if the width is 40 metres.
In the example below, find the proportion of the first number to the second.
24, 56
Find the compounded ratio of: (a – b) : (a + b), (a + b)2 : (a2 + b2) and (a4 – b4) : (a2 – b2)2
Show that 48, 60, 75 are in continued proportion.
25 kg : 20 g = 50 kg : 40 g
A ratio is a form of comparison by ______.
Samira sells newspapers at Janpath crossing daily. On a particular day, she had 312 newspapers out of which 216 are in English and remaining in Hindi. Find the ratio of the number of English newspapers to the number of Hindi newspapers.
A carpenter had a board which measured 3 m × 2 m. She cut out a rectangular piece of 250 cm × 90 cm. What is the ratio of the area of cut out piece and the remaining piece?
Present age of father is 42 years and that of his son is 14 years. Find the ratio of age of father after 10 years to the age of son after 10 years.
The compound ratio of x – y : x + y and (x + y)2 : x2 – y2 is ______.