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Start learning 50% faster. Sign in nowA B C 10 20 40 40 Total work 4 2 1 Efiici The work of first 3 days =4+4+(4+2+1) =15units Similarly, the Next 3 days work=15units After 6days remaining work =40-(15+15) =10units 7days by A=4unit 8days by A=4units 9 days by A, B, C=2/7 Total days=8+2/7=58/7days.
20 25 54 165 662 ?
...12 13 30 �...
92, 51, 21, 13.5, x, 4.25
find the value of (10x + x -5)?
4 12 ? 144 544 2112
...-3 -10 -40 -185 -905 -4500
-4 a b c d e
Find the value of d.
...2, A, 9, B, 6, C, 13, D, ?
720 ? 240 180 144 120
...16, 8, 8, ?, 24, 60
13 15 ? 63 143 293
...6 7 15 46 185 ?
...