Question
Which of the following interchange of signs would make
the given equation correct? 42 ÷ 7 − 64 + 11 × 6 = 4Solution
The correct answer is D
The average age of 30 employees is 28 years. If x new employees join with an average age of 35 years, the overall average rises by 1 year. Find x.
A batsman averages 28.4 runs in 15 innings. In the next three innings, he scores 45, 89 and 52. Find his new batting average.
The combined average weight of 8 copies and 5 books is 150 grams. If the average weight of the copies is 180 grams, find the average weight of the books.
The average number of books sold by Viren in first 4 months is 3600 and in first 5 months is 4200. If the number of books sold by him in 6th ...
- The average of four numbers is 58. When four more numbers are included, the average increases by 4. Find the average of the numbers included.
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...
In an examination, the average marks obtained by the students is 60. After correcting the quantitative mistakes, the average of 100 students is reduced ...
The average weight of ‘x’ persons is 50 kg. The average weight of (x – 15) women is 40 kg, the average weight of (x – 20) children is 35 kg, and...
In a cricket match the captain of one of a team scored 23 runs more than the average runs scored by the remaining 9 batsmen of that team who batted in t...
- Rohit Sharma has an average score of 80 runs in 150 innings. The highest runs scored by him in an innings exceed his lowest score by 200 runs. If the runs ...
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