Question
Efficiency of A, and B are in the ratio of 2 : 3. If
both can do a work together in 60 days. Find out how much days A will take to complete the work alone?Solution
Efficiency ratio of A : B = 2 : 3 Both work together in = 60 days A take = (total of efficiency × total days)/(A efficiency) = (5 × 60)/2 = 150 days
17 32 99 ? 1965 11784
...77 ? 190 257 331 412
...Given below are three numbers series I, II and II where each series contains a wrong (odd one out) term. The wrong number in series I, II and III are '...
91   93   97   100   ?   113
12 Â Â Â 11 Â Â Â Â 21 Â Â Â Â 62 Â Â Â Â ? Â Â Â Â Â 1234
13 15 ? 63 143 293
...102     153      306      765       ?     8032.5
...17 ? 33 44 57 72
...3 5 7 25 85 481
...1 4 13 46 ? 976
...