Start learning 50% faster. Sign in now
Total work = Number of days×1 day’s work (efficiency) Total work = LCM (15, 18) = 90 unit 1 day’s work of A = 90/15 = 6 unit 1 day’s work of B = 90/18 = 5 unit 1 day’s work of (A + B) = 6 + 5 = 11 unit Now, 5 day’s work of (A + B) together = 5× 11 = 55 unit Remaining work = 90 – 55 = 35 Remaining work completed by B = 35/5 = 7 days
871, 700, 548, 415, 301, 206
156, 182, 212, 240, 272, 306
40, 56, 85, 129, 190, 268
Find the wrong number in given number series.
3230, 3198, 3090, 2083, 2334, 1430.
42, 85, 172, 343, 687, 1375
14, 16, 22, 46, 172, 886
16, 19, 28, 44, 76, 140, 268
Find the wrong number in the given number series.
5, 10, 20, 40, 85, 160
2592 1300 656 331 169.5 88.75
...34, 51, 85, 119, 185, 221