Question
Sudhir is 4.5 times as efficient as Aarav. If they work
together, they can complete a piece of work in 8 days. How many days will Aarav take to do the same work alone?Solution
Efficiency of Sudheer and Aarav=4.5 and 1. Sudheer Aarav 4.5 1 They work together with total efficiency – 4.5+1=8days. Total work =8×5.5=44unit. Aarav takes time the complete work =44/1=44days.
3960, 660, 720, 122, 180, 30
2400,3600,5400,7200,12150
210, 140, 105, 84, 70, 63, 52.5
112, 236, 374, 546, 790, 1376
88, 112, 78, 120, 64, 136
Find the wrong number in the series.
3, 6, 18, 72, 360, 2160, 151202824 2314 1973 1759 1634 1574
120, 136, 111, 147, 93, 162, 81
Find the wrong number in given number series.
1116, 1135, 1158, 1187, 1224, 1278.
Find the wrong number in given number series.
2658, 2654, 2681, 2645, 2999, 2918