20 people jump into an empty pool filled with water and nothing else. After, they jumped in 24 heads came back up. How is this possible? -Riddles

1 Answer

Answer :

There was 20 foreheads.

Related questions

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Last Answer : The tenth jump took him out. (On the tenth jump he reached 13 feet and was out.)

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Last Answer : He was first floor.

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Last Answer : She fell back into her apartment, jumping from the balcony into the inside.

Description : Brad stared through the dirty soot-smeared window on the 22nd floor of the office tower. Overcome with depression he slid the window open and jumped through it. It was a sheer drop outside the building ... nothing to cushion his fall or slow his descent, how could he have survived the fall? -Riddles

Last Answer : Brad was so sick and tired of window washing, he opened the window and jumped inside.

Description : Just filled our above ground 18ft round pool with water. About 24 hours later there is a green look to it. We haven't even used it yet. Is this because of our water hardness level. We have very hard water.(from well) What can be done to clear up the water?

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Description : Pipe A can fill a water tank in 8 hours, Pipe B can fill the same tank in 12 hours and Pipe C can empty the tank in 24 hours. If all three pipes are opened together, in how many hours will the tank be completely filled or empty? a) 4.8 hours b) 5 hours c) 5.4 hours d) 6 hours e) 7.2 hours

Last Answer : If all the three pipes are opened together, in one hour they will fill 1/8 + 1/12 – 1/24 = (3+2-1)/24 = 1/6 part of tank. So, to fill it completely it will take 6 hours. Answer is: d)

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Last Answer : He stood on a block of ice until it melted.

Description : 24 pumps are connected to a tank. Some of them are inlet pumps and the others are outlet pumps. Each of the inlet pumps an fill the tank in 16hours and each of the outlet pumps can empty the tank completely in ... gets filled in 48 hours. How many inlet pumps are there? A) 16 B) 18 C) 17 D) 14

Last Answer : D (x/16)-[(24-x)/12] = 1/48 x/16-24/48+x/12=1/48 (3+4)x/48=97/48 7x/48=97/48 7x=97 X=14

Description : What is always filled when it is used and empty when at rest?

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Description : A Bunker has a leak which would empty the completely filled bunker in 20 hours. If the bunker is full of water and a tap is opened which admits 4 litres of water per minutes in the bunker, how many litres does the bunker holds? A) 2400 B) 4500 C) 4800 D) 7200

Last Answer : C Leak emptied the bunker per hour = 100/20 = 5% of water per hour; Quantity of water emptied per hour = 4*60 = 240; Thus, 5% = 240 liter; Hence, capacity of water, 100% = 240*100/5= 4800 liter.

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Last Answer : He had a parachute.

Description : What did Geronimo say when he jumped off the plane? -Riddles

Last Answer : ME!!!!!!

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Last Answer : He jumped in the window. He was outside the window He was a window washer!!!

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Description : A cistern can be filled in 25 minutes. There is a leakage which can empty it in 50 minutes. In how many minutes cistern can be filled? a) 20 mints b) 25mints c) 45 mints d) 50 mints

Last Answer : D Efficiency of filling faucet= 100/25 = 4% ⇒ Efficiency of leakage faucet = 100/50= 2% ⇒ Net filling efficiency = (4-2)% =2% So, t cistern can be filled in = 100/2 = 50 minutes

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Last Answer : Sounds like they are catering to the lowest common denominator to boost their ratings. It’s an executive decision, alas.

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Last Answer : a house cannot jump!

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Last Answer : The mind.

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Last Answer : A violin.

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Last Answer : I am your reflection.

Description : How do you: take off a bandaid, jump into a pool?

Last Answer : rip it off, jump in at once.

Description : There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it? -Riddles

Last Answer : Place the apple on one person's head.

Description : We see a boat filled with people, yet there isn’t a single person on board. How is that possible? -Riddles

Last Answer : We see a boat filled with people, yet there isn’t a single person on board because, all the people on that boat are married.

Description : If you were falling off a cliff on a horse and right before the horse hit the ground you jumped on the horses back. Would you take damage like you fell from the cliff or only the 5 feet or whatever that you jumped up in the air from the horse?

Last Answer : You would still get hurt, but you'd be less hurt than if you landed directly on the ground.

Description : In 1209, on a hot summer day there was a man who was ordered to be executed by king. The king was a nice king though, and he said that if the man could prove himself wise, he would let him ... The king opened a window, and the man immediately knew which was the real flower. How did he know? -Riddles

Last Answer : When the King opened the window, a bee flew in and landed on the only real flower to gather pollen.

Description : How do you change dog to cat, jump to pool and cool to warm?

Last Answer : jump -> pump -> pomp -> poop -> pool

Description : For determine the specific gravity of soil solids, using a pycnometer of 500 cc., the following data is available : Weight of dry empty pycnometer = 125 g Weight of dried soil and pycnometer = 500 g Weight of dried soil and distilled ... of soil solids, is (A) 2.0 (B) 2.25 (C) 2.50 (D) 2.75

Last Answer : (C) 2.50

Description : In the back yard, there is a hollow stump, that contains six ears of corn. If a healthy squirrel carries out only three ears each day, how many days will it take to empty the stump? -Riddles

Last Answer : Six. Each day the squirrel will carry out the two ears on his head plus one ear of corn.

Description : A barrier has four inlets A, B, C and D. The barrier can be filled in 24 minutes through the first three inlets and it can be filled in 30 minutes through the second, the third and fourth inlet also it can be ... all the four inlets? A) 10 mins B) 15 mins C) 20 mins D) 25 mins E) None of the Above

Last Answer : C (1/A + 1/B + 1/C) = 1/24 …(i) (1/B + 1/C + 1/D) = 1/30 …(ii) (1/A + 1/D) = 1/40…(iii) From eqn (i) and (ii) (1/A – 1/D) = 1/120…(iv) From eqn (iii) and (iv) A=60,D=120. Let the time taken to full the tank = s S(1/A + 1/B +1/C +1/D)= 1 S(1/24+1/120) = 1 S= 20 mins

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Description : A man is driving down a freeway in the right lane. He puts his left blinker on. He does not steer left at all, yet he manages to switch from the right to the left lane. He does nothing illegal. How is this possible? -Riddles

Last Answer : He switched lanes while there was a right bend in the road.

Description : Two pipes can fill a tank in 20 and 24 minutes respectively and another pipe can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity of the tank in gallons is: a)100 b)110 c)120 d)140

Last Answer : c)120

Description : Two pipe P & Q fill a tab in 5 hrs and 20 hrs respectively. If both the pipes are open then due to the leakage, it took 30mins more to fill the tab. If the tab is full, how long will it take for the leakage alone to empty the tank? A) 28 B) 24 C) 36 D) 12

Last Answer : C Part filled by(P+Q) in 1 hr = 1/5 + 1/20 = ¼ So P & Q together can fill the tank in 4 hrs. Work done by the leak in 1 hr = 1 / 4 - 2/9 Leak will empty the tank in 36 hrs.

Description : Not far outside the town of Pottsville, a railroad track runs through a tunnel in a hillside. There's only one track, and the tunnel is wide enough for only one train. But one day, two trains ... out at the opposite ends of the tunnel. Yet, there was no collision! How was this possible? -Riddles

Last Answer : One train comes at 8am and the other train came at 8pm.

Description : A tank can be filled by a tap in 6 hours and emptied by an outlet pipe in 8 hours. How long will it take to fill the cistern if both the taps are opened together? 1. 24 hours 2. 22 hours 3. 21 hours 4. 18 hours 5. 20 hours

Last Answer : 1;

Description : A man takes a basketball and throws it as hard as he can. There is nothing in front, behind, or on either side of him, and yet, the ball comes back and hits him square in the face. How can this be? -Riddles

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Description : Assertion (A): The coin when flipped next time will come up tails. Reason (R): Because the coin was flipped five times in a row, and each time it came up heads. Choose the correct answer from below: (A) Both (A ... A). (D) (A) is doubtful, (R) is false, and (R) is the correct explanation of (A).

Last Answer : (C) (A) is doubtful, (R) is true, and (R) is not the correct explanation of (A).

Description : I can't sleep. Want a little advice ? I used to use mobile till many nights before. Now I try to sleep with my mobile long before but sleep does not come. Last night I did not sleep at all. ... this for almost a year. Sometimes everything goes well and then it starts again. What should I do now ?

Last Answer : You should work harder during the day. And read books at night so that your eyes get tired and sleep will come quickly. If this does not work then you can see a good doctor.

Description : Two pipes A and B can fill a tank in 5 and 6hrs.Pipe C can empty it in 12hrs.If all the 3 pipes are opened together,then the tank will be filled in 1)1(13/17)hrs 2)2(8/11)hours. 3)3(9/17)hrs 4)4(1/2)hrs

Last Answer : 3)3(9/17)hrs Exp:Net part filled in 1hr=>(1/5+1/6-1/12)=17/60 Tank filled in=60/17=3(9/17).

Description : Pump A can fill the empty bunker in 6 hours, but due to a leak in the bottom it is filled in 7.5 hours, if the bunker is full and then Pump A is closed then in how many hours the leak can empty it? a) 30 hours. b) 45 hours. c) 50 hours. d) 35 hours.

Last Answer : A Efficiency of A = 16.666% Effective of leak = 13.333%when there is leakage So, efficiency of leakage =( Efficiency of A- Effective of leak) =16.666%-13.333%= 3.333% It means due to leakage a full bunker will be empty in 30 hours.

Description : A large cistern can be filled by 2 pipes P & Q in 120 mins and 80 mins respectively. How many mins will it take to fill the cistern from empty state if Q is used for half the time and P & Q fil it together for the other half? A) 2hrs B) 1hr C) 3hrs D) 4hrs

Last Answer : B Part filled by (P+Q) in 1 min = 1/120 + 1/80 =2+3/240 = 5/240 = 1/48 Suppose the cistern is filled in x mins then, x/2 (1/48 + 1/80) = 1 x/2(5+3/240)=1 8x/480 = 1 x=480/8 x= 60 mins or 1 hr

Description : A tank can be filled by an inlet tap at the rate of 8 litres per minute. A leak in the bottom of a tank can empty the full tank in 16 hours. When the tank is full, the inlet is opened and due to ... hours. How many litres does the tank hold? A) 8000 litre B) 9560 litre C) 8525 litre D) 9600 litre

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Description : A dumper is normally filled in 18 hours but takes 6 hours longer to fill because of a leak in the bottom of the dumper. If the dumper is full the leak will empty it in how many hours? A) 76 hours B) 78 hours C) 72 hours D) 74 hours

Last Answer : C Work done by leak in 1 hr=(1/18-1/24) =>4-3/72 =>1/72 Leak will empty the dumper in 72 hours

Description : How many glasses will remain empty if you half-fill some of the empty glasses, from the given set of filled glasses?

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Description : A robber came into my store and stole $100 from the register without my knowledge. A few minutes later, the same guy came back with the $100 he stole and purchased $70 worth of items and I gave him $30 in change. How much money did I lose? -Riddles

Last Answer : I lost $100

Description : There are 50 horses and 50 kings riding along an old dirt road. They came to a peach tree with 50 peaches. Each took one, yet there were still 49 left. How is this possible? -Riddles

Last Answer : Each is the name of one of the kings and he's the only one that took one!