0.75
1.5
2.25
3.5
6.75
Correct answer is E
- If two solids are similar, the ratio of their volumes is equal to the cube of the ratio of their corresponding sides.
Given: Heights of cylinder --> 21 : 7 or 3 : 1 = 31
= 3 times height enlargement
Volume / Capacity of larger cylinder = 33 × 250g
= 27 × 250g = 6,750 or 6.75kg
Find the sum to infinity of the series 1/2 , 1/6, 1/18, ..... ...
A rectangular pyramid has an area 24cm2 and height 7.5cm. Find its volume?...
Find all values of x satisfying the inequality -11 ≤ 4 - 3x ≤ 28...
The nth term of a sequence is 22n−1. Which term of the sequence is 29?...
In the diagram, PS and RS are tangents to the circle centre O. ∠PSR = 70°, ∠PO...
In a triangle XYZ, if < ZYZ is 60, XY = 3cm and YZ = 4cm, calculate the length of the sides XZ. ...
In the diagram above, |PQ| = |PR| = |RS| and ∠RSP = 35o. Find ∠QPR...
Which of the following lines is not parallel to the line 3y + 2x + 7 = 0? ...
A circular arc subtends angle 150° at the centre of a circle of radius 12cm. Calculate the ...