Question

7. Divide Rs 49, 600 among three partners A, B and C so that A's share : B's share : C's share = 1/2: 1/3: ⅕.


8. Length and breadth of the floor of a room are 5m and 3m, respectively. Forty tiles, each with area 1/16 sq. m used to cover the floor partially. Find the ratio of the tiled and the non-tiled portion of the floor.


9. A tea merchant blends two varieties of tea costing her Rs 234 and Rs 130 per kg in the ratio of their costs. If the weight of the mixture is 84kg, then find the weight of each variety of tea.


10. Mason A could complete only 3 ¼ of 6 walls in a day whereas Mason B completed 1 ½ of 4 walls in a Day. Which mason is more efficient .Justify?

Answer 1

Answer:

9

The ratio of the costs of two varieties of tea = Rs.234 per kg: Rs.130 per kg

Sum of the ratio = Rs.(234+130)per kg=Rs.364 per kg

The total weight of the mixture = 84kg

The weight of each variety of the tea is given by

364 per kg

234 per kg

×84kg=54kg

And

364 per kg

130 per kg

×84kg=30kg