Question
Akshay purchased pens and notebooks from a shop for a
total sum of ₹180. From the following data, what is the value of 'X'?Solution
Let the number of pens be X. Cost of pens = 10 × X = 10X Cost of notebooks = 20 × 6 = 120 Total cost = 10X + 120 = 180 10X = 180 − 120 = 60 X = 60 ÷ 10 = 6 So, X = 6
A series is 48, 129, 298, 587, 1028, 1653
If another series 150, ___, m, ___, follows the same pattern as the given number series, then find th...
35 36 68 207 836 4205
...15 13 28 24 54 52
...114 106 102 100 99 ?
...12, 24, 72, 288, 1440, ?
13, 14, 18, 27, 43, ?
20 25 54 165 662 ?
...6 5 40 32 249 240
92, 51, 21, 13.5, x, 4.25
find the value of (10x + x -5)?
3 25 173 1041 5201 20809
10 a �...
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