Question

3. Find the mean proportions of the following:
(a) 17,68
(b) 14, 56
(c) 18,72
(d) 12, 108
(e) 5,45
(f) 4, 16
(g) 12,48
(h) 4, 100
4. Determine whether the following ratios are in proportion:
(a) 35 L: 175 L and 20 cm : 1 m
(b) 250 mL : 100 mL and 75: 130
(c) 4 kg : 160 kg and 50 kg : 1250 g
(d) 15:40 and 6:16
5. The ratio of sales to expenditure of a businessman in a month is 7:6. Find the earning if the income is 14,000.
6. Sara covers 260 km in 5 hours. Find the distance covered by Sara in 7 hours.
7. The ratio of length to breadth of a rectangular sheet is 9:5. If the breadth of the sheet is 15 cm, find its
length.
8. The cost of 5 kg apples is 195. How many kilograms of apples can be purchased for 351?​

Answer 1

Answer:

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