Container volume is 10 × 15 × 20 = 3000 cm³. Assuming spherical scoops of radius 2.5 cm with volume ≈ 65.45 cm³, dividing 3000 by 65.45 gives approximately 45 to 46 scoops of ice cream. Class 9 Ganita Manjari Part ...
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Base circumference 2πr = 35.2 m gives r = 5.6 m. Outer surface area is 2πr² = 197.12 m² = 1,971,200 cm². At ₹10 per 100 cm², the painting cost is 19,712 × 10 = ₹1,97,120. Class 9 Ganita Manjari part ...
A 72.8% volume increase gives a factor of 1.728. Since volume scales cubically with radius, the new radius factor is ∛1.728 = 1.2. This represents a 20% increase, so x = 20. Cbse Class 9 Maths Ganita Manjari Part 2 Solutions
Increasing the radius by 10% makes the new radius 1.1r. The new volume is proportional to (1.1r)³ = 1.331r³, representing a 0.331 or 33.1% increase over the original volume. Ganita Manjari Part 2 Class 9 Chapter 14 Step by Step Solutions
At half depth, both height and radius of the water cone are half the cup’s dimensions. Since volume scales with the cube of dimensions, the water occupies (1/2)³ = 1/8 of the cup’s total volume. Cbse Class 9 Maths Ganita Manjari ...