the pipe B; if the two pipes were opened simultaneously, the tank would be filled up in 17 hours. How long was the second pipe open? a) 10 hours b) 12 hours c) 15 hours d) 18 hours Q 17) Two pipes P & Q can fill up half full tank in 1.2 hours. The tank was initially empty. Pipe Q was kept open for half the time required by pipe P to fill the tank by itself. Then, Pipe Q was kept open for as much time as was required by pipe Q to fill up 1/3rd of the tank by itself. It was then found that the tank was 5/6th
full. The least time in which any of the pipes can fill up the tank fully is a) 4.8 hours b) 4 hours c) 3.6 hours d) 6 hours Q 18) Ridhima and Vijay are quiz masters preparing for a quiz. In ‗a‘ minutes, Ridhima makes ‗b‘ questions more than Vijay. If it were possible to reduce the time needed by each to make a question by two minutes,
then in ‗a‘ minutes Ridhima would make 2b questions more than Vijay. How many questions does Ridhima make in a minutes? a) ¼[2(a+b) - √(2a^2 + 4b^2)] c) Either a or b
b) ¼[2(a-b) √(2a^2 + 4b^2)] d) ¼[2(a-b) - √(2a^2 – 4b^2)]
Q 19) A tank of 3600 cubic m is being filled with water. The delivery of the pump discharging the tank is 20% more than the delivery of the pump filling the same tank. As a result, twelve minutes m ore time is needed ti fill the tank than to discharge it. Determine the delivery of the pump discharging the tank. a) 40m^3/min b) 50m^3/min c) 60m^3/min d) 80m^3/min Q 20) Two forest officials in their respective divisions were involved in the harvesting of tendu leaves. One division had an average output of 21 tons from a square meter and the other division, which had 12 square meter of land less, dedicated to tendu leaves, got 25 tons of tendu from a square meter. As a result, the second division harvested 300 tons of tendu leaves more than first. How many tons of tendu leaves did the first division harvest? a) 3150 b) 3450 c) 3500 d) 3600 Q 21) A pipe can fill a tank in ‗k‘ hours and another can empty it in ‗m‘ hours. If the tank is 1/3rd full then the number of hours in which they will together fill it in is a) (3km)/2(m-k) b) (3km)/(m-k) c) km/3(m-k) d) 2km/3(m-k) Q 22) A tank holds 100 litres of water. Its inlets is 7 cm in diameter and fills the tank at 5 litres/min. The
outlet of the tank is twice the diameter of the inlet. How many minutes will it take to empty the tank if the inlet is shut off, when the tank is full and the outlet is opened? a) 7.14 min b) 0.7 min c) 5 min d) 10.0 min Q 23) L takes 4 days to complete one-third of a job, M takes 3 days to complete 1/6th of the same work and N takes 5 days to complete half the job. If all of them work together for 3 days and L & N quit, how long will it take for M to complete the remaining work done. a) 6 days b) 8.1 days c) 5.1 days d) 7 days www.ibpsguide.com | www.ibpsguide.in|mock.ibpsguide.in| www.sscexamguide.com Copyright© 2016 IBPS Guide
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Q 24) Threeduggers dug a ditch of 324 meter deep in 6 days working simultaneously. During one shift, the third digger digs as many meters more than second as the second digs more than the first. The third digger‘s
work in 10 days is equal to the first digger‘s work in 14 days. How many meters does the first digger dig per shift? a) 15 m
b) 18m
c) 21m
d) 27m
Q 25) P, Q & R working together completed a job in 10 days. However, R only worked for the first three
days when 37/100 of the job was done. Also, the work done by P in 5 days is equal to the work done by Q in 4 days. How many days would be required by the fastest worker to complete the entire work ? a) 20 days b) 25 days c) 30 days d) 40 days Q 26) Three carpenters ha ve to make 80 chairs. They are known to make 20 pieces evrey mi nute working together. The first carpenter began working alone and made 20 pieces of chairs having work ed for sometime more than three minutes. The remaining part of the work was done by the second and the thi rd cook working together. It took a total of 8 minutes to make 80 chairs. How many minutes would it take the first cook alone to cook 160 chairs for a function the next day? a) 16 minutes b) 24 minutes c) 32 minutes d) 40 minutes Q 27 – 31) Read the following and answer the question that follow: A set of 10 pipes(set A) can fill 70% of a tank in 7 minutes. Another set of pipes (set B) fills 3/8 of the tank in 3 minutes. A third set of pipes (set C) can empty 5/10 of the tank in 10 minutes. Q 27) How many minutes will it take to fill the tank if all the 23 pipes are opened at the sam e time? a) 5 minutes b) 40/7 minutes c) 6 minutes d) 47/7 minutes Q 28) If only half the pipes of set A are closed and only half the pipes of set B are open and all other pipes are open, how long will it take to fill 49% of the tank? a) 16 minutes b) 13 minutes c) 7 minutes d) None of these Q 29) If 4 pipes are closed in set C, and all other remain open, how long will it take to fill the tank? a) 5 minutes b) 6 minutes c) 7 minutes d) 7.5 minutes Q 30) If the tank is half full and set A & set B are closed, how many minutes will it take for set C to empty the tank if alternate taps of set C are closed.
a) 12 minutes
b) 20 minutes
c) 40 minutes
d) 16 minutes
Q 31) if one pipe is added for set A and set B and set C‘s capacity is increased by 20% on its srcinal value and all the taps are opened at 2.58pm, then at what time does the tank get filled?(if it is initially empty) a) 3.05 pm b) 3.04 pm c) 3.10 pm d) 3.03 pm Q 32) Rajeev can do as much work in 2 days as Brijesh can do in 3 days and Brijesh can do as much in 4 days as Daljeet in 5 days. A piece of work takes 20 days if all work together. How long Brijesh take to do all the work by himself? www.ibpsguide.com | www.ibpsguide.in|mock.ibpsguide.in| www.sscexamguide.com Copyright© 2016 IBPS Guide
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a) 82 days
b) 44 days
c) 66 days
d) 50 days
Q 33) In a factory, there are equal number of men and women. Men workfor 6 hour a day and children for 4 hour a day. During festival time, the work load goes up by 50%. The government rule does not allow women to work for more than 6 hour a day. If they are equally efficient and the extra work is done by men, then extra hours of work put in by men everyday are a) 5 b) 3 c) 4 d) 9 Q 34) 20 men complete 1/3rd of a work in 20 days. How many more men should be employe d to finish the rest of work in 25 more days? a) 15 b) 12 c) 18 d) 25 Q 35) In a school, Mid – Day Meal food is sufficient for 250 students for 33 days, if each student is given 125 g meals. 80 more students joined the school. If same amount of meal is given to each student, then the food will last for a) 20 days b) 40 days c) 30 days d) 25 days Q 36) If x men working x hour per day, can do x units of work in x days, then y men workin g y hour per day would be able to complete how many units of work in y days? a) y^3/x^2 b) y^3/x^2 c) x^4/y^2 d) y^4/x^3 Q 37) When ‗P‘ alone can do a piece of work, he takes 25 days more than the time taken by (P+Q) to complete that particular work, while Q alone takes 49 days more than the time taken (P+Q) t o finish the same work. P & Q together will take what time to finish this work? a) 35 days b) 25 days c) 15 days d) 45 days Q 38)A contractor undertook to do a certain piece of work in 18 days. He employed certain number of men but 12 of them being absent from the very 1st day, the rest could finish the work in 30 days. Find the number of men srcinally employed. a) 40 b) 15 c) 45 d) 30 Q 39) There are three inlet pipes whose diameters are 1m, 2m & 3m respectively. If the rate of flow is directly proportional to the square of the diameter, find the time taken to fill an empty tank when all the three pipes are opened, given that the smallest pipe takes 9 min to fill the tank.
a) 3/14 min
b) 9/14
c) 11/24
d) None of these
Q 40) There are two taps A & B connected to a tank. Capacity of the tank is 40 L. Tap A can fill the tank in 10 hour. Tap B can empty the tank in 20 hour. How much time will both the taps take to fill the tank when both are open simulatane