Question
A yearly payment to the servant is Rs 4080 and 1 journey
ticket but servant leave the job after 7 months and receives Rs 1580 and 1 journey ticket, then find the cost of the journey ticket?Solution
Let the cost price of journey ticket = Rsx 12 months payment of servant = Rs (4080 + x) 1 month payment of servant = Rs(4080+x)/12 And 7 months payment of servant = Rs(4080+x)/12 × 7 (4080+x)/12 × 7 = 1580 + x 28560 + 7 x = 18960 + 12x 5 x = 28560 – 18960 x = 9600/5 x = 1920 So cost price of journey ticket = Rs 1920
A bag contains 20 rupees note, 50 rupees note and 100 rupees note in the ratio 5:7:2. If the total amount in the bag is Rs 2,600, find the average numbe...
The average weight of 10 books is 5 kg. If 6 new books are added, the new average increases by 3 kg. What will be the average weight of the 6 new books?
The student's marks were wrongly entered as 55 instead of 25. Due to this, the average marks for the class increased by 1 /4 The number of students in t...
Average marks scored by each boy in a class were 60, whereas that by each girl were 75. If the number of boys is 50% more than the number of girls, then...
The average height of 14 students in a group is (x + 12). If the average of the first seven students is 140 cm and the average of the remaining seven st...
In a cricket match the captain of one of a team scored 25 runs more than the average runs scored by the remaining 8 batsmen of that team who batted in t...
The average of a series of 30 numbers is 70. The difference between the largest number and the smallest number is 140. If the largest and the smallest n...
An athlete ran a certain average distance for 10 days. For the next 10 days, he ran 72 km per day, increasing his overall average by 6 km. What was his ...
A candidate just passed by getting 60 answers correct by attempting 132 of the total questions. Find the total number of questions in the examination if...
The average weight of a group of 5 men increases by 2 kg when a new person weighing 78 kg joins the group. What was the average weight of the group befo...
Relevant for Exams:
