Advertisements
Advertisements
Question
A line is divided into two parts in the ratio 2.5 : 1.3. If the smaller one is 35.1 cm, find the length of the line.
Advertisements
Solution
Ratio between two part = 2.5 : 1.3
Let first part = 2.5x cm
and second part = 1.3x cm
1.3x = 35.1
`x = 35.1/1.3`
x = 27
Length of larger part = 2.5 × 27
= 67.5 cm
Length of line = 35.1 + 67.5
= 102.6 cm
APPEARS IN
RELATED QUESTIONS
Find the ratio compounded of the reciprocal ratio of 15 : 28, the sub-duplicate ratio of 36 : 49 and the triplicate ratio of 5 : 4.
Find the compounded ratio of the following:
3 : 5, 7 : 9 and 15 : 28
Find the reciprocal ratio of e following :
81pq2 : 54p2q
Express the following ratios in its simplest form :
5 kg: 800 gm
The monthly salary of a person is Rs. 12,000 and his monthly expenditure is Rs 8,500. Find the ratio of his:
(i) salary to expenditure
(ii) expenditure to savings
(ii) savings to salary
Find the ratio of the first quantity to the second.
125 cm, 1 metre
Find the compounded ratio of: (a – b) : (a + b), (a + b)2 : (a2 + b2) and (a4 – b4) : (a2 – b2)2
Write the following ratio in the simplest form:
Rs 6.30 : Rs 16.80
The number of milk teeth in human beings is 20 and the number of permanent teeth is 32. Find the ratio of the number of milk teeth to the number of permanent teeth.
Ramesh earns Rs. 28000 per month. His wife Rama earns Rs. 36000 per month. Find the ratio of ramesh’s earnings to their total earnings.
