The weighted average does not change. Doubling every weight scales both the numerator and denominator by 2, which cancel out completely, keeping the overall average strictly identical. Class 9 Ganita Manjari Part 2 All Chapter Solutions Class 9 Ganita Manjari Part ...
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(i) Shreyas holds 35 shares costing ₹4050, resulting in ₹115.71 per share. (ii) Solving (750 + 30x)/(5 + x) = 70 yields x = 10 shares bought by Vaishnavi. Ganita Manjari part 2 Chapter 10 Solutions Class 9 Ganita Manjari Part ...
(i) Total runs are 6 + 12 = 18 over 2 overs, giving a run rate of 9. (ii) Total runs are (19 × 6) + 12 = 126; dividing by 20 gives a run rate of 6.3. Ganita Manjari Part ...
Average scores are 4.3 for food, 3.3 for ambience and 2.8 for service. Applying weights 6:5:4 gives [(4.3 × 6) + (3.3 × 5) + (2.8 × 4)] / 15 = 53.5 / 15 ≈ 3.57. Class 9 Ganita Manjari Part ...
(i) Keerthi scores higher because she earned extra points in agility, which carries the largest weight (6). (ii) Rashi’s final mark is 65.67, while Keerthi’s final mark is 66.33. Ganita Manjari Part 2 (Class 9) Exercise 10 Solutions Class 9 Ganita ...