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Given - Potential difference (V) = 220 V, power of bulb (P) = 100 W and actual voltage (V') = 110 V => R = V2/P = (220)2/100 = 484Ω Therefore, the power consumed by the bulb => P = V2/R = (110)2/484 = 25 W
Pawan completes in two days the same amount of work that Qureshi completes in four days. Pawan alone can finish the entire task in 15 days. How many day...
P does one fourth as much work as Q in two third of the time. If together they take 24 days to complete the work, how much time shall Q take to do it?
14 boys can do a work in X days and 22 girls can do the same work in (X + 10).The ratio of work done by 7 boys and 9 girls in the same time is in the ra...
‘A’ alone can complete a work in 40 days while ‘A’ and ‘B’ together can complete the same work in 20 days. How much ...
150 unit of work can be completed by P alone in 25 days. P started working alone and joined by Q after 15 days such that they completed the remaining wo...
The time taken by ‘A’ to build a wall alone is 50% more than the time taken by him to build it along with ‘B’. ‘B’ will take how much percen...
The time taken by ‘A’ to build a wall alone is 40% more than the time taken by him to build it along with ‘B’. ‘B’ will take how much percen...
Naina and Kalpana working together can do a piece of work in 10 days, whereas Naina alone can do it in 12 days. In how many days can Kalpana do it alone?
‘A’ alone can complete a work in 10 days. ‘B’ alone can complete the same work in 20 days. If ‘A’ and ‘B’ work together for 3 days, then...
