Question
Which machinery can be used for all purpose like sowing,
field preparation, weeding etc.Solution
Rotavator is tractor driven rotary tillage machine. It is economical and effective against cultivator, leveller and disc harrow. Rotavator is used for breaking up the soil, land leveling, field preparation, weeding, etc.
Suresh received 100, 92, 85, 97, 90 and 88 marks in his semester exams. What is his average score?
In an examination, the average marks obtained by the students is 75. After correcting the quantitative mistakes, the average of 100 students is reduced ...
The average marks of 12 students in an exam is (x + 10). If the average of the first six students is 50 and that of the remaining six is 70, find the va...
Average of 6 numbers is 12. If one number 5 is replaced by 17, find the new average.
The average of five even numbers is 38. If we replace two of these even numbers, 88 and 92, with a single even number X, the new average decreases by 4....
The number of students in class 'A' is 104, and the ratio of girls to boys is 4:9. If the average number of boys in classes 'A' and 'B' is 124, and the ...
In a class of 30 students, the average age each student of the class is 21 years. 4 more students join the class such that the average age of the class ...
Average run scored by a batsman in 60 innings is 180. In next 6 innings, he scored runs with an average of âxâ so that his overall average increases...
An ODI is played between India and Pakistan. Team Indiaâs average run rate for the first 33 overs was 6.5 runs per over while in the remaining 17 over...
In a school, 30 boys scored an average of 76 marks while 40 girls scored an average of 88 marks. What is the average marks of all students together? (Ro...
