Question
What is the difference in the volume (in cm³) of a
sphere of radius 7 cm and that of a cone of radius 7 cm and height 10 cm? (Use π = 22/7)Solution
The difference in volume = [(4/3) × π × 73] - [(1/3) × π × 72 × 10] = [(4/3) × (22/7) × 343] - [(1/3) × (22/7) × 49 × 10] = [(7 × 22)/3] (28 - 10) = (154/3) × 18 = 924 cm3 ∴ The difference in the volume (in cm3) is 924 cm3
80, ?, 240, 80, 20, 4Â
251, 130, 274, ?, 301, 76Â
What will come in place of the question mark (?) in the following series?
45, 68, 114, 183, 275, ?
What value should come in the place of (?) in the following number series?
500, 789, 428, ?, 340, 965
Which of the following numbers will replace the question mark (?) in the given series?
17, 30, 44, 59, 75, ?
What will come in place of (?) question mark in the given number series.
52, 61, 79, 106, 142, ?Â
In each of the following number series, one term is missing. Find the missing term.
7, 14, 28, 56, 112, ?
- What will come in place of the question mark (?) in the following series?
20, 32, 50, 74, 104, ? What will come in place of the question mark (?) in the following series?
15, 26, 39, 56, ?, 98
Find the missing number, in the given number series.
42, 52, 72, 112, 192, ?