A and and B togeth together er can can comple complete te a piece piece of work work in in 35 days days while while A alone alone can comp complet letee the same work in 60 days. B alone will be able to complete the same work in. (a) ! days (b) " days (c) #! days (d) $6 days
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A comp company any contr contract actss to paint paint 3 ho%ses ho%ses.. &r. &r. Brown Brown can can paint paint a ho%se ho%se in 16 16 days days while while &r. &r. Black wo%ld take 1" days da ys and &r. Bl%e 1! days. After After " days &r. Brown goes on 'acation and &r. Black begins to work and he lea'es a fter working for 6 days. ow many days will it take &r. Bl%e to complete the remaining part of the contract (a) # days (b) ! days (c) days (d) " days
3
Adrain Adrain comp complet letes es 60* 60* of a task task in #! #! days. days. e reali reali+es +es that that to to meet meet his dead deadlin line, e, he needs needs additional help and gets Allen who is thrice as efficient as Adrain to help him. -hey complete the task with fo%r days to spare. hat was the deadline for the pro/ect from the day Adrain started work on it (a) 30 days (b) 0 days (c) $0 days (d) 60days
A alone alone can can do a piece piece of of work work in 6 days days and and B alone alone in in " days. days. A and B %nderto %ndertook ok to do do it for s. 3!00. ith the help of , they completed the wo rk in 3 days. ow m%ch is to be paid to (a)s. 300 (b)s. 00 (c)s. 500 (d)s. 600
5
2 can can lay rail railway way trac track k between between two two stati stations ons in in 16 days. days. can do do the same same /ob /ob in 1! 1! days. days. ith the help of , they complete the /ob in days. ow m%ch days does it take for alone to complete the work (d) 10 days (a) $ days (b) $ da days (c) $ da days
6
5 men men and ! boys boys work working ing toget together her can can do fo%r fo%r time timess as m%ch m%ch work work as as a man man and a boy boy.. orking orking capacity of man and boy is in the ratio (a) 14 ! (b) 1 4 3 (c) !4 1 (d)! 4 3
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is half as as efficient efficient as and he is able able to complet completee a /ob 50 days days more more than . 7f they they are working together how many days will it take to complete the /ob (a) 0 days (b) !5 days (c) !3 days (d) (d) 33 33 day days
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2, and and can do do a work in in !0, 30 and and 60 days days respe respecti cti'ely 'ely.. ow many many days days does does it need need to to complete the work if 2 does the work and he is assisted by and on e'ery third day (a) 10 days (b) 1 days (c) 15 days (d) $ days
$
A piece piece of work work can can be done done by by 6 men men and and 5 women women in 6 days days or 3 men and and wome women n in 10 10 days. 7t can be done by $ men and 15 women in how many days (a) 3 days (b) days (c)5 days (d) 6 days
10 7f $ men working working # ho%rs a day can finish finish a piece of work work in !0days, then then how many days will be taken by 1! men, working 6 ho%rs a dayto d ayto finish the work 7t is being gi'en that ! men of latter type work asm%ch as 3 men of the former type (b) 11 days (d) 13 days (a) $ day days (c) 1! day days 11 Ar%n is is !0* more more efficie efficient nt than Bala. Bala. 7n #! daysBala daysBala can complet completee a work. 7f they they two are are working together, in how many days the work can be completed (a) 33 days (b) 33 days (c)3! days (d) 31 days 1! A contractor contractor %ndertoo %ndertook k to make make 15 km of roadway roadway in 0 weeks. weeks. 7n 7n 10 weeks, weeks, 3 km was complete by 1"0 men working " ho%rs a day. -he men then agreed to work 1 ho%r per day o'ertime, And some boys were engaged to assist them, the work was finished in the stip%lated time (0 weeks). ow many boys were employed, if the work of 3 boys bo ys is e8%al to that of ! men (a) 5 boys (b) 50 boys (c) 30 boys (d) 60 boys 13 9or a football football team team there are are fo%r s%bsti s%bstit%tes t%tes.. :ach and e'ery e'ery player player plays the the same amo%nt amo%nt of time (11 players in the field at a time). ow m%ch time eac h player played pro'ided the whole game lasts for $0 min%tes (a) 55 min%tes (b) 60 min%tes (c) 63 min%tes (d) 66 min%tes 1 A and B are two taps taps which which can fill fill a tank tank indi'id%al indi'id%ally ly in 10 min%tes min%tes and !0 min%tes min%tes respecti'ely. respecti'ely. owe'er, there is a leakage at the bottomwhich can empty a filled tank in 0 min%tes. 7f the tank is emptyinitially, how m%ch time will both the taps take to fill the tank (;eakage is still there) (a) " min%tes (b) # min%tes (c) 10 min%tes (d)
1" 2ipe A can fill a tank tank in 36 min%tes min%tes.. 2ipe B can fill fill the same same tank in #! min%tes min%tes.. -here is is a drain pipe, pipe , at the bottom of the tank. A man opens pipe A and pipe B when the tank is empty and ret%rns back to sh%t them when the tank sho%ld o'erflow. owe'er, he finds that he had kept pipe also open and sh%ts it immediately. -he tank o'erflows in the ne>t 6 min%tes. ow long will pipe take to drain the tank, if pipes A and B are kept sh%t (a)$0 min%tes (b) $6 min%tes (c) 63 min%tes (d) 60 min%tes 1$ am completes completes 60* of a task task in 15 15 days and and then takes takes the the help of ahim and achel. achel. ahim is 50* as efficient as am is and achel is 50* as efficient as ahim is. 7n how many more days will they complete the work (a) 13 da days
(b) " da days
(c) 5 da days
(d) # da days
!0 A leak leak in the bottom bottom of a tank tank can empty the the f%ll tank tank in 6 ho%rs. ho%rs. An An inlet pipe pipe fills fills water at the rate of liters a min%te. hen the tank is f%ll, the inlet is opened and d%e to the leak the tank is empty in " ho%rs. -he capacity capa city of the tank (in liters) is (a) 5#50 litres (b) 5#60 litres (c) 5##0 litres (d) 5#"0 litres
