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Ratio of ages of A and B, 4 years later is 8:9 respectively. If average of present ages of A & B is 47 years, then find difference in present ages of A & B.
A man is looking at a photograph of someone. His friend asks who it is. The man replies: “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who is in the photograph?
His son Man have no siblings and he yalked about father son that was him. He was the only son of that man . The man in photograph is his father
His son
Man have no siblings and he yalked about father son that was him. He was the only son of that man . The man in photograph is his father
See lessA tank has two pipes. Pipe A can fill the tank in 6 hours, and Pipe B can fill the tank in 8 hours. There is also a third pipe, Pipe C, which can empty the tank in 12 hours. ...
The point to be noted is that pipe A and B are used for filling the tank whereas pipe C empties the water.So we will take the time taken by pipe C in negative. It has been in the question that pipe A fills the tank in 6hours and pipe B fills the tank in 8 hour.Pipe C fills the tank in -12hours(SinceRead more
The point to be noted is that pipe A and B are used for filling the tank whereas pipe C empties the water.So we will take the time taken by pipe C in negative.
It has been in the question that pipe A fills the tank in 6hours and pipe B fills the tank in 8 hour.Pipe C fills the tank in -12hours(Since it empties the tank in 12 hours)
Tank A takes 6 hours So it will fill 1/6th of tank in 1 hour.Similarly Tank B will fill 1/8th of tank in 1 hour whereas Tank B will empty 1/12th of tank.
So after one hour:-
1/6+1/8-1/12=
(We will take L.C.M for 6,8,12 which is 24)
(4+3-2)/24=5/24.
So after one hour 5/24th of the tank will be filled. Since it is in the fraction 5/24, let us assume that capacity of tank is 24 litres and 5 litre is increased every hour.
So within 4 hours 20 litres will be filled into the tank.Time taken for the remaining 4 litres will be 4/5×60(we Multiply be 60 to convert into minutes).So it will take 48 minutes.
So the whole tank will get filled in 4 hour and 48 minutes or 60×4+48=288 minutes
The final answer is 4 hours and 48 minutes.
See lessIn a certain code language, the word “PROBLEM” is written as “ROPELBM”. How will the word “DIFFICULT” be written in that same code?
The word PROBLEM is rearrange in ROPELBM IN THIS FORMAT BY Arranging places with their neighbours letters P-R R-O O-P B-E L-L E-B M-M Applying same to difficult D-I I-D F-F F-I I-F C-C U-C L-L T-T
The word PROBLEM is rearrange in ROPELBM IN THIS FORMAT
BY Arranging places with their neighbours letters
P-R
R-O
O-P
B-E
L-L
E-B
M-M
Applying same to difficult
D-I
I-D
F-F
F-I
I-F
C-C
U-C
L-L
T-T
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Hii shubham, I just solve this question and I pleased to share my answer with you... So here's the answer of your question:- You can measure exactly 4 gallons of water using the 3-gallon jug and the 5-gallon jug by following these steps: 1. Fill the 5-gallon jug completely. 2. Pour water from the 5-Read more
Hii shubham, I just solve this question and I pleased to share my answer with you…
So here’s the answer of your question:-
You can measure exactly 4 gallons of water using the 3-gallon jug and the 5-gallon jug by following these steps:
1. Fill the 5-gallon jug completely.
2. Pour water from the 5-gallon jug into the 3-gallon jug until the 3-gallon jug is full. This leaves you with 2 gallons in the 5-gallon jug.
3. Empty the 3-gallon jug.
4. Pour the 2 gallons from the 5 -gallon jug into the 3-gallon jug.
5. Fill the 5 -gallon jug completely again.
6. Pour water from the 5 -Gallon jug into the 3-gallon jug until the 3-gallon jug is full. Since the 3-gallon jug already has 2 gallons in it, you can only add 1 more gallon from the 5 -gallon jug.
Now, you have exactly 4 gallons left in the 5-gallon jug.
Hope you understand this well and in case of any query I resolve it for you for better understanding.
See lessA tank has three pipes: A, B, and C. Pipe A can fill the tank in 10 hours, Pipe B can fill the tank in 15 hours, and Pipe C can empty the tank in 20 hours. If all three ...
What is the use of aptitude test in competitive exams?
Aptitude tests are commonly used in competitive exams for several reasons: Assessing Basic Skills : They measure fundamental skills such as numerical ability, logical reasoning, and verbal proficiency, which are essential for academic and professional fields. Standardization : These tests provide aRead more
Aptitude tests are commonly used in competitive exams for several reasons:
A train 120m long passes a pole in 12 seconds. here, distance travelled by train=length of train= 120m time taken by train= 12 seconds then speed of train=distance travelled by train/time taken by train speed of train= 120m/12sec =10 m/sec when train passes a 130 m long platform, distance travelledRead more
A train 120m long passes a pole in 12 seconds.
here, distance travelled by train=length of train= 120m
time taken by train= 12 seconds
then speed of train=distance travelled by train/time taken by train
speed of train= 120m/12sec =10 m/sec
when train passes a 130 m long platform,
distance travelled by train= length of train + length of platform=120+130=250 m
time taken by train to pass 130 m long platform=distance covered by train / speed of train
time taken by the train= 250 / 10= 25 seconds
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