Total Efficiency = 9 + 16 + 36 = 61 Pipe 3rd alone can fill the cistern in 122 min (given) ∴ Capacity of the tank = (36 × 122) = 4392 Time taken by all pipes together = 4392/(61 )= 72 minutes
124, 132, 118, 140, 108, 148
In each of the following giving number series, a wrong number is given. Find out the wrong number?
3023, 3132, 3246, 3356, 3471
11 36 112 336 1011 3036
100, 125, 143, 169, 198, 230, 265
3 6 18 149 602 15057
...A-5, A, 35, 52, 78, 115
131, 212, 261, 286, 295, 299
112, 130, 155, 196, 254, 342
31, 35, 62, 87, 430, 1761
3, 4, 9, 28, 116, 566, 3397
