Advertisements
Advertisements
प्रश्न
Which of the following ratios are in proportion?
विकल्प
3 : 5, 6 : 11
2 : 3, 9 : 6
2 : 5, 10 : 25
3 : 1, 1 : 3
Advertisements
उत्तर
2 : 5, 10 : 25
Explanation;
Hint:
2 × 25 = 5 × 10
⇒ 50 = 50
APPEARS IN
संबंधित प्रश्न
What least number must be subtracted from each of the numbers 7, 17 and 47 so that the remainders are in continued proportion?
If a, b, c and d are in proportion prove that `sqrt((4a^2 + 9b^2)/(4c^2 + 9d^2)) = ((xa^3 - 4yb^3)/(xc^3 - 5yd^3))^(1/3)`
Check whether the following numbers are in continued proportion.
9, 12, 16
a, b, c are in continued proportion. If a = 3 and c = 27 then find b.
What quantity must be added to each term of the ratio a + b: a - b to make it equal to (a + b)2 : (a - b)2 ?
Find the two numbers such that their mean proprtional is 24 and the third proportinal is 1,536.
Find the value of x in each of the following proportions:
x : 92 : : 87 : 116
If a, b, c and d are in proportion, prove that: `(a^2 + ab)/(c^2 + cd) = (b^2 - 2ab)/(d^2 - 2cd)`
The America’s famous Golden Gate bridge is 6480 ft long with 756 ft tall towers. A model of this bridge exhibited in a fair is 60 ft long with 7 ft tall towers. Is the model, in proportion to the original bridge?
Write True (T) or False (F) against the following statement:
16 : 24 : : 20 : 30
