Advertisements
Advertisements
प्रश्न
Find the value of x in the following proportions : x : 50 :: 3 : 2
उत्तर
x : 50 : : 3 : 2
⇒ × x 2 = 50 x 3
x = `(50 xx 3)/(2)`
= 75.
APPEARS IN
संबंधित प्रश्न
If a, b, c are in continued proportion and a(b - c) = 2b, prove that `a - c = (2(a + b))/a`
If y is the mean proportional between x and z; show that xy + yz is the mean proportional between x2 + y2 and y2 + z2.
If x, 12 and 16 are in continued proportion! find x.
Determine if the following numbers are in proportion:
7, 42, 13, 78
Write (T) for true and (F) for false in case of the following:
32 kg : Rs 36 : : 8 kg : Rs 9
If 15 tins of the same size contain 234 kg of oil, how much oil will there be in 10 such tins?
Choose the correct answer from the given options :
The fourth proportional to 3, 4, 5 is
Find the missing number in the box in the proportions:
`3/8 = square/20`
Are the following statements true?
40 persons : 200 persons = ₹ 15 : ₹ 75
If x, 2, 10 and y are in continued proportion, the values of x and y are respectively: