Question
If 3 cubes of side 10 cm each are connected in a row, find
the total surface area of the shape formed.Solution
ATQ,
Length = 3 × 10 = 30 cm
Breadth = 10 cmHeight = 10 cm
Total surface area = 2 × (30 × 10 + 10 × 10 + 10 × 30)
= 2 × (300 + 100 + 300) = 2 × 700 = 1,400 cm²
?, 15, 45, 225, 1575, 14175
60   61    57   66    ?      75    39
...55, 71, 119, 199, 311, ?
What will come in place of (?) Question mark in the given number series.
500, 489, 467, 434, 390, 335, ?
110, 156, 212, ?, 354, 440
23, 27, 39, 59, ?, 123
74, 84, 64, 104, ?, 184
6, 7, 16, 51, 208, ?
What will come in place of (?) question mark in the given number series.
16, 24, 51, 115, 240, ?
99, 101, 107, 131, 251, ?