Prerna can type 90 words in 180 seconds. Find the number of words can she type in
300 seconds, if she maintains the constant speed.
how to solved this problem?
Fig. (X) given on the left hand side is folded along the lines to form a cube. Choose the boxes from the options which may be formed on closing the cube.
A 2 and 3
B 3 and 4
C 2 and 4
D 1 and 4
The answer is 3 and 4.