Question
‘A’ and ‘B’ started moving towards each other at
same time with a speed of 26 km/hr and 13 km/hr, respectively. If the distance covered by ‘A’ is 21 km more than that by ‘B’, when they meet then find the initial distance between them.Solution
Ratio of distance travelled by ‘A’ and ‘B’ = 26:13 = 2:1 Required distance = 21 × 3 = 63 km
13    13      26       ?      832       13312
...45, 166, 607, 1568, 3249, ?
18, 35, 68, 117, ?, 263Â
38, 41, 50, ?, 158, 401Â
Find the missing number in the given number series.
2, 7, 19, 62, ?, 1270Â
- What will come in place of (?) in the given number series.
3, 6, 13, 26, 43, ? - Find the missing number in the given number series.
42, 37, 45, 40, 48, ? 6400, 1600, ?, 80, 16, 4
What will come in place of the question mark (?) in the following series?
72, 108, 172, ?, 416, 612
2, 2, 6, 30, ?, 1890