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Questions(2178)
Two pipes A and B can fill a tank in $12$ hours and $15$ hours respectively. If both pipes are opened together in an empty tank, how much time will it take to fill it?
A programme starts between $5$ and $6$ hours, ends between $6$ and $7$ hours. The position of both min hand and hour hand at the time of initiation of programme are interchanged by completion of the programme. Find the duration of programme
A man walks $1$ km in a day. He walks twice the distance of previous day each time. How far does he walk in a week?
In an examination, $93\%$ of students passed and $259$ failed. The total number of students appearing at the examination was
A train covers a certain distance at a uniform speed. If the train had been $6$ kilometre per hour faster, it would have taken $4$ hour less than the scheduled time and if the train was slower by $6$ kilometre per hour it would have taken $6$ hour more than the schedule time. Find length of the journey.
if $32$ horses can eat $120$ kgs of grass in $12$ days, how many kg of grass can $16$ horses eat in $18$ days?
The age of a young man and his wife sum to $52$ years. In seven years time, the man will be twice as old as his wife. Find the age of the man and his wife
In an examination, there are three subjects A, B and C. One student has to pass in each subject$. 20\%$ students failed in A$,22\%$ students failed in B and $16\%$ failed in C. The total number of students passing the whole examination lies between
The average age of $46$ girls in a group is $16$ years. When $2$ women's age included in it, the average increases by $2$ years. what is the average of the women's age in years?
Rohit borrowed $₹2400$ at $7.5\%$ per year. How much money will he repay at the end of $4$ years to clear his debt?