Ques:- Number of times 29th day of the month occurs in 400 consecutive year is
A. 4400
B. 4497
C. 4800
D. 4600
Recent Answer : Added by AVIJIT BERA On 2021-11-26 16:30:00:
4400+(97 leap year )=4497
Ques:- A pipe can fill a tank in 30 min B can fill in 28 min then if 3/4 th of tank can be filled by B pipe and after wards both are opened then how much time is required by both the pipes to fill the tank completely.
Recent Answer : Added by Admin On 2020-05-17 12:00:13:
105/29 mins
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Ques:- What is your contribution of the Branch?
Recent Answer : Added by Pallavi On 2022-04-02 06:59:53:
Very great things your doing
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Ques:- If six persons sit in a row, then the probability that three particular persons are always together is -.
Recent Answer : Added by Abu Jahid On 2021-10-22 09:13:18:
1/5
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Ques:- Two pipes X and Y can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank?
Ques:- A family X went for a vacation. Unfortunately it rained for 13 days when they were there. But whenever it rained in the mornings, they had clear afternoons and vice versa. In all they enjoyed 11 mornings and 12 afternoons. How many days did they stay there totally?
Recent Answer : Added by Dhruba Jyoti Kalita On 2022-08-14 16:46:05:
Yes answer is 18 days
Ques:- Im aruna. im coming from Anagapathur near pallavaram. Now i studying in Bsc (IT) , annamalai university in chennai.
Ques:- You are given a cake; one of its corner is broken. How will u cut the rest into Two equal parts?
Recent Answer : Added by DK BOSS On 2021-07-21 15:27:21:
Slice the cake
Ques:- Imagine you are standing in front of a mirror, facing it. Raise your left hand. Raise your right hand. Look at your reflection. When you raise your left hand your reflection raises what appears to be his right hand. But when you tilt your head up, your reflection does too, and does not appear to tilt his/her head down. Why is it that the mirror appears to reverse left and right, but not up and down
Recent Answer : Added by DK BOSS On 2021-07-30 16:27:07:
The definition of left and right depends on the observer and
is reversed when facing the opposite direction. The
definition of up and down does not depend on the orientation
of the observer.
Ques:- Pipe A can fill a tank in 16 minutes and pipe B cam empty it in 24 minutes. If both the pipes are opened together after how many minutes should pipe B be closed, so that the tank is filled in 30 minutes?
Recent Answer : Added by Gabriel On 2022-09-15 16:38:59:
No, the tank will be filled after 36 minutes
24/16= 1,5
24×1,5= 36
Ques:- Standing on a platform, Amit told Sunita that Aligarh was more than ten kilometers but less than fifteen kilometers from there. Sunita knew that it was more than twelve but more than fourteen kilometers from there. If both of them were correct, which of the following could be the distance of Aligarh from the platform?
Ques:- In the following figure:A B C D E F G H IEach of the digits 1, 2, 3, 4, 5, 6, 7, 8, and 9 is:a)Represented by a different letter in the figure above.b)Positioned in the figure above so that each of A + B + C,C + D +E,E + F + G, and G + H + I is equal to 13.Which digit does E represent?
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Ques:- Two pipes X and Y can separately fill a cistern in 18 and 24 hours respectively. If they are turned on alternately for one hour each, how long will it take to fill the cistern?
Recent Answer : Added by Admin On 2022-09-28 17:08:06:
X filling rate is 1/18 or 4/72 per hour
Y filling rate is 1/24 or 3/72 per hour
Combined as a pair it’s 7/72 in a complete 2 hour alternating sequence
72+ 7/72 =10 sequences = 70/72 on 20 hours, The outstanding balance is just 2/72
So at 20.5 hours with X turn filling is 100% complete with 72/72
Answer: It will take 20.5 hours to completely fill this tank.
Analysis of measured filling process, from X = 42/72 share & from Y = 30/72 share
Ques:- A rich man died. In his will, he has divided his gold coins among his 5 sons, 5 daughters and a manager. According to his will: First give one coin to manager. 1/5th of the remaining to the elder son.Now give one coin to the manager and 1/5th of the remaining to second son and so on….. After giving coins to 5th son, divided the remaining coins among five daughters equally.All should get full coins. Find the minimum number of coins he has?
Recent Answer : Added by Biplab Nath On 2021-07-31 16:35:53:
Answer: 3121 gold coins
Let total no of coins be M
Let the disbursement D to each son:
D1 = 1 + (M – 1)/5 = (M + 4)/5
D2 = 1 + ( M – D1 -1)/5 = (D1) * 4/5
D3= (D2) * 4/5
D4= (D3) * 4/5
D5= (D4) * 4/5
Total disbursements to sons=
= ∑D= (M+4)*1/5[ 1+4/5+(4/5)(4/5)+ (4/5)(4/5)(4/5)+(4/5)(4/5)(4/5)(4/5) ]
= (2101/3125)*(M+4)
Thus balance left for daughters =M-{(2101/3125)*(M+4)}
=(1024M-8404)/3125
This balance should be a positive integer ( assuming M and all disbursements are full coins )
Thus 1024M-8404 should be a multiple of 3125….so….
1024M – 8404 = N*3125 where N is an integer
Using Python code:
n=int(input(“Enter num n: “))
X=int()
a=int()
a=0
X=’ ‘
for a in range(0,n+1):
a=a+1
X= (3125*a + 8404)/1024
if (3125*a + 8404)% 1024== 0:
print(X,a)
Enter num n: 10000
3121.0 1020
6246.0 2044
9371.0 3068
12496.0 4092
15621.0 5116
18746.0 6140
21871.0 7164
24996.0 8188
28121.0 9212
We get minimum value of N = 1021 and M = 3121 gold coins
Ques:- Unix basics such as find, grep, pipes tees, wildcards, chmod.
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4400+(97 leap year )=4497