Advertisements
Advertisements
प्रश्न
If A: B = `(1)/(4) : (1)/(5)` and B : C = `(1)/(7) : (1)/(6)`, find A : B : C.
Advertisements
उत्तर
A: B = `(1)/(4) : (1)/(5)`
B : C = `(1)/(7) : (1)/(6)`
LCM of B's terms 4 and 6 = 12
Making terms of B's; as 12
`"A"/"B" = (5 xx 3)/(4 xx 3) = (15)/(12)` = 15 : 12
`"B"/"C" = (6 xx 2)/(7 xx 2) = (12)/(14)` = 12 : 14
∴ A : B : C = 15 : 12 : 14.
APPEARS IN
संबंधित प्रश्न
A man's monthly inoome is Rs 5,000. He saves every month a minimum of R~ 800. Find the ratio of his:
Annual expenses to annual Income.
Find the compounded ratio of the following:
3 : 5, 7 : 9 and 15 : 28
Given `(x^3 + 12x)/(6x^2 + 8) = (y^3 + 27y)/(9y^2 + 27)`. Using componendo and dividendo, find x : y.
Reduce the following ratio to their lowest term:
1 hour 20 min : 2 hours
Ten gram of an alloy of metals A and B contains 7.5 gm of metal A and the rest is metal B. Find the ratio between:
- the weights of metals A and B in the alloy.
- the weight of metal B and the weight of the alloy.
Find the third proportional to 5.25, 7
From the given pairs, find which ratio is larger:
(3 : 7) or (4 : 9)
Choose the correct answer from the given options :
Two numbers are in the ratio 7 : 9. If the sum of the numbers is 288, then the smaller number is
A ratio expressed in lowest form has no common factor other than ______ in its terms.
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?
