Advertisements
Advertisements
प्रश्न
If 2a = 3b and 4b = 5c, find: a : c.
Advertisements
उत्तर
We have,
`2a = 3b => a/b = 3/2`
And `4b = 5c => b/c = 5/4`
Now, `a/b = 3/2 = (3 xx 5)/(2 xx 5) = 15/10`
And `b/c = 5/4 = (5 xx 2)/(4 xx 2) = 10/8`
`=>` a : b : c = 15 : 10 : 8
`=>` a : c = 15 : 8
APPEARS IN
संबंधित प्रश्न
Find duplicate ratio of `3sqrt(3) : 2sqrt(5)`
If a: b = 4: 7, find the following:
`(5"a" - 4"b")/(2"a" - 3"b")`
Two numbers are in the ratio 5 : 7 and the difference of their squares is 600. Find the numbers.
A profit of Rs 2,500 is to be shared among three persons in the ratio 6 : 9 : 10. How much does each person get?
The sides of a triangle are in the ratio 3 : 2 : 4. If the perimeter of the triangle is 27 cm, find the length of each side.
Find the following ratio in the simplest form:
2.4 km to 900 m
Mr. Sahai and his wife are both school teachers and earn Rs 16800 and Rs 10500 per month respectively. Find the ratio of
(i) Mr. Sahai's income to his wife's income;
(ii) Mrs. Sahai's income to her husband's income;
(iii) Mr. Sahai's income to the total income of the two.
Find the simplified form of the following ratio.
12 : 27
A ratio will always be more than 1.
In an election, the votes cast for two of the candidates were in the ratio 5 : 7. If the successful candidate received 20734 votes, how many votes did his opponent receive?
