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
संबंधित प्रश्न
Two numbers are in the ratio 5:7. If 3 is subtracted from each of them, the ratio between them becomes 2:3. Find the numbers.
If a: b with a ≠ b is the duplicate ratio of a + c: b + c, show that c2 = ab.
If (4x + 3y) : (3x + 5y) = 6 : 7, find x, if y = 10
Two numbers are in the ratio 3 : 5 and their sum is 96. The larger number is
The ratio of 130 cm to 1 m is 13 : 10
The cost of parking a bicycle is ₹ 5 and the cost of parking a scooter is ₹ 15. Find the simplest ratio of the parking cost of a bicycle to that of a scooter
The yield of wheat from 8 hectares of land is 360 quintals. Find the number of hectares of land required for a yield of 540 quintals?
Shivangi is suffering from anaemia as haemoglobin level in her blood is lower than the normal range. Doctor advised her to take one iron tablet two times a day. If the cost of 10 tablets is Rs. 17, then what amount will she be required to pay for her medical bill for 15 days?
There are 20 girls and 15 boys in a class. What is the ratio of number of girls to the number of boys?
Out of 1800 students in a school, 750 opted basketball, 800 opted cricket and remaining opted table tennis. If a student can opt only one game, find the ratio of number of students who opted basketball to the total number of students.
