Start learning 50% faster. Sign in now
We can say that Let the total work = 60 units (L.C.M of 20 & 30) Efficiency of 'R' = 60/20 = 3 units /day Efficiency of 'A' = 60/30 = 2 units/day Their combined efficiency = 2 + 3 = 5 units/day To complete the work in 6 days, there combined efficiency should be 60/6 = 10 units/day Required percentage increase = {(10 – 5) × 100}/5 = 100%
Who is to the immediate right of J?
Who among the following sits second to the left of C?
How many persons sit between J and E when counted from the left of J?
If all the persons are arranged in alphabetical order in the clockwise direction with respect to A, then how many persons remain unchanged in their pos...
Six persons, F, G, H, I, J and K, sit in a row and face in north direction. Only two persons sit to the right of J. I sits immediate left of K. Neither ...
Who among the following Person sits fourth to the left of R?
Who sits opposite to M?
How many persons are seated in a table (Including unknown persons)?
Four of the following five are alike in a certain way based on the given seating arrangement and so form a group. Which is the one that does not belong ...
Who among the following attends singing class in Morning?