A boy can swim in water with a speed of 12 km/hr in still water. If the speed of the stream is 4 km/hr, what will be the time taken by the boy to cover 64 km downstream?
Downstream Speed = (12 + 4) km/hr = 16 km/hr Time taken = 64/16 = 4 hours
32 48 96 ? 720 2520
27 28 32 41 57 ?
...15 8 9 15 32 ? 250.5
16, 32, 68, 132, ?, 376
Choose the missing term.
3F, 6G, 11I, 18L,?
9 14 38 129 ? 2705 16260
...632, 625, 611, 590, 562, ?
14.8% of 7200 – 16.4% of 6200 + 15.09% of 8100 = 10% of ?
14 6 4 4 ? 48
...200 ? 96 38.4 7.68 0
