Question
A train takes 16 seconds to pass a stationary boy. The
same train requires 38 seconds to traverse a platform measuring 495 meters in length. Determine the length of the train.Solution
Let, length of train be βxβ m Speed of train = x/16 m/s So, (x + 495)/38 = x/16 16x + 7920 = 38x 22x = 7920 x = 360
In an election between two candidates 'M' and 'N', 'M' got 68% of the votes and won by 8,820 votes. Find the number of votes received by 'N'.
In a city, the number of persons travelling by bike is 70% the number of persons travelling by metro. The number of persons travelling on foot is 80% th...
Rahul secured 32% marks in an exam and fell short by 48 marks. Kunal secured 47% marks in the same test and scored 27 marks more than the passing marks....
In a school election between two candidates, 12% of the total votes were invalid. Of the valid votes, the winner got 58% and won by 1,392 votes. Find th...
Monthly savings of βAβ is Rs. 1100 more than his monthly expenditure and his total monthly income is Rs. 6500. If his monthly income is increased by...
In a company, 45% of the workforce consists of females. The number of male employees exceeds that of females by 350. What is the equivalent of 40% of th...
The difference between the value of the number increased by 10% and the value of the number decreased by 20% is 72. Find the number.
- Suppose 'M' is 30% of 'N'. What percentage of (N - M) is 'M'?
In a head-to-head election, 15% of the total votes were invalid. Of the valid votes, 60% were in favour of the winning candidate, and the victory margin...
Monthly income of P is Rs.14000 and his monthly savings is Rs.7500. If his monthly income is decreased by 30% and monthly expenditure is decreased by 25...