A+B B Time 7 : 18.9 Efficiency 18.9 : 7 27 : 10 Efficiency of A+B = 27 Efficiency of B = 10 Efficiency of A = 27 – 10 = 17 Ratio = x:y = 17:10 So, x – y = 17 – 10 = 7
11 22.5 47 102 236 ?
...14, 20, 29, 44, 65, ?
4097, ?, 4359, 4493, 4629, 4767
38, 41, 50, ?, 158, 401
4, 4, 5, ? , 248, 1248
8 24 48 144 288 ?
...77 73 69 65 ? 57
...22, 47, 96, ?, 386, 675
14.8% of 7200 – 16.4% of 6200 + 15.09% of 8100 = 10% of ?
250, 279, 311, 349, 396, ?
