The numbers 8, x, 9 and 36 are in proportion. Find x. Ifx:15=8:12;findthevalueofx.
If 4, x, 32 and 40 are in proportion, find the value of x.
If x: y = 4: 5 and y: z = 6: 7; find x : y : z.
The length and breadth of a rectangle are in the ratio 5: 4. If its length is 80
cm, find the breadth.
Check whether the two ratios form a proportion or not:
(i) 6: 8 and 12: 16; (ii) 24: 28 and 36: 48
The first, third and fourth terms of a proportion are 12, 8 and 14
respectively. Find the second term.
If 4, x, 9 are in continued proportion, find the value x.
The ratio of the length of a school ground to its width is 5: 2. Find its length if
the width is 40 metres.
Express each of the following ratios in its simplest form:
(i) 60: 72
(ii) 324: 144
Find the ratio of the following in the simplest form:
(i) 75 paise to Rs 3
(ii) 35 minutes to 45 minutes
(iii) 8 kg to 400 gm
(iv) 48 minutes to 1 hour
Margarette works in a factory and earns Rs 955 per month. She saves Rs 185 per month from her earnings. Find the ratio of:
(i) her savings to her income
(ii) her income to her expenditure (iii) her savings to her expenditur
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