(i) Salinity is approximately 11.33%. (ii) Yes, because 0.01% lies between 34% and 0.001%; he needs about 3777 litres. (iii) No, because mixture salinity cannot fall below 0.01%. Class 9 Maths How Quantities Combine Understanding Data Question Answer Class 9 Maths ...
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There are more females because 14.925 kg is below the 15.15 kg midpoint. (i) Expressions (a) and (b) are correct. (ii) 25 males. (iii) 13.839 kg. (iv) 16.5 kg. (v) 16.46 kg. Class 9 Ganita Manjari Part 2 All Chapter Solutions
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 ...
In (i), the sticks must be equal and their arrangement matters because equal diagonals alone do not guarantee type Q. In (ii), equal sticks arranged in any manner guarantee type Q. Class 9 Maths Ganita Manjari Part 2 All Chapter Solutions
Proposition: If a number is divisible by 3, then the sum of its digits is a multiple of 3. Converse: If the sum of the digits is a multiple of 3, then the number is divisible by 3. Cbse Class 9 ...