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Here a = 2 and r = 4 nth term of G.P is an = arn - 1 ⇒ 8192 = 2 x ( 4) n-1 ⇒ 4096 = (4) n - 1 ⇒ (4)6 = (4) n - 1 ⇒ n = 7
A and B can do a job in 20 days and 30 days, respectively. A and B work together for 5 days, and then A leaves. After how many more days will B complete...
A and B individually can complete the work in 32 days and 48 days respectively. If the time taken by C alone to complete the work is 1.25 times the time...
A buffalo alone can plough field ‘A’ in 50 days. A Bull alone can plough the field ‘A’ in 75 days. Find the number of days taken by 1 bulls and ...
A and B together can do a work in 5 days. If A can alone do the same work in 15 days, then in how many days B alone will do the same work?
P and Q can complete a work in 20 days and 30 days, respectively. P, Q and R together can complete the work in 10 days. If R get a total wage of Rs. 480...
Two pipes A and B can fill a tank in 24 min., and 32 min, respectively. If both the pipes are opened simultaneously, after how much time B should be clo...
In a factory, there are 3 machines. Machine A completes a task in 8 days, Machine B completes it in 12 days, and Machine C completes it in 15 days. If a...
A2 type ‘P’ pipes can fill a tank in 450 hours, while B2 type ‘Q’ pipes can fill the same tank in 6...
A and B can complete a task together in 12 days, while B alone takes 24 days to finish it. A began working alone and left after ‘x’ days, after whic...
P’s 5 days work is equal to Q’s 7 days work. If P and Q together can complete the work in 20 days then how much time Q will take to complete 75% of ...
