Advertisements
Advertisements
Question
If 9 kg of rice costs Rs 327.60, what will be the cost of 50 kg of rice?
Solution
Cost of 9 kg of rice = Rs 327.60
Cost of 1 kg of rice = `327.60/9`
Cost of 50 kg of rice = 50 × `327.60/9=16380/9` = Rs 1820
Hence, the cost of 50 kg of rice is Rs 1820.
APPEARS IN
RELATED QUESTIONS
If x + 5 is the mean proportional between x + 2 and x + 9; find the value of x.
Find the third proportion to the following :
3 and 15
If a : b : : c : d, then prove that
2a+7b : 2a-7b = 2c+7d : 2c-7d
Determine if the following numbers are in proportion:
33, 121, 9, 96
Choose the correct statement:
If `x/a = y/b = z/c`, prove that `"ax - by"/((a + b)(x- y)) + "by - cz"/((b + c)(y - z)) + "cz - ax"/((c + a)(z - x)` = 3
If `a/c = c/d = c/f` prove that : `(a^3 + c^3)^2/(b^3 + d^3)^2 = e^6/f^6`
If a, b, c are in continued proportion, prove that: a : c = (a2 + b2) : (b2 + c2)
Write True (T) or False (F) against the following statement:
12 : 18 : : 28 : 12
Are the following statements true?
40 persons : 200 persons = ₹ 15 : ₹ 75
