9. The average of x consecutive integers is n, and the average of the immediate next y consecutive integers is n + 6. Find the relation between x and y.
x + y = 12
x €“ y = 6
x = y
2x €“ y = 6
10. A group of students decided to buy a tape recorder worth Rs 170 to Rs 195. But at last moment two students backed out the decision, so the remaining had to pay one rupee each more than what they had planned. What was the price of the tape recorder, if the students paid equal contributions?
bhai pehle smiley insert karo. Then uspar click karo to image ke around 8 chote chote squares aa jayenge. Then ek cornor par left click karke image ko drag karo it will enlarge.
1. The average age of father and son now is 29 years. The average age of father, mother and son, five years from now will be 37 years. Find the mother's age.
38 yrs
39 yrs
40 yrs
41 yrs
2. The average score of a cricketer from certain number of innings is 15. When he scored a duck in one inning, his average dropped to 13.5. How many innings have been played in total, including the latest one?
1. The average age of father and son now is 29 years. The average age of father, mother and son, five years from now will be 37 years. Find the mother's age.
38 yrs
39 yrs
40 yrs
41 yrs
2. The average score of a cricketer from certain number of innings is 15. When he scored a duck in one inning, his average dropped to 13.5. How many innings have been played in total, including the latest one?
@rahulshaitan said: bhaiyo subah office jana hai to sone jata hu warna pura din office me sona padega Gudnite. Will solve all the 10 questions in the morning and post the solutions. Till then enjoy. Gudnite evryone.
3. A salesman gets a bonus of Rs (3x + 7), if he sell articles worth Rs. x2 . In the month of January, value of his sale was Rs 100, in February Rs. 400, from March to December it was Rs. 900 each month. Apart from this, he receives a basic salary, which is 50 times his total bonus. Find his average salary for the year.
Rs. 4262.4
Rs.4373.4
Rs. 4472.5
Rs. 4564.5
4. A shipping clerk has five boxes of different and unknown weights, each weighing less than 100 kg. The clerk weighs the boxes in pairs. The weights obtained are 110, 112, 113, 114, 115, 116, 117, 118, 120 and 121 kg. What is the weight of the heaviest box?
bhai pehle smiley insert karo. Then uspar click karo to image ke around 8 chote chote squares aa jayenge. Then ek cornor par left click karke image ko drag karo it will enlarge.
5. In a class of 60 students, the average weight of 35 boys is 63 kg, and the average weight of girls is 54 kg. Three of the students weighing 64 kg, 67kg and 58kg were replaced by four new students weighing 62kg, 56kg, 52kg and 68kgs. Find the change in the average weight of the class.
0.21 kg
0.17 kg
1.17 kg
1.21 kg
None of these
6. In june, a baseball team that played 60 games won 30% of its games played. After a phenomenal winning streak, this team raised its average to 50%. How many games the team must have won in a row to attain this average?
