MCQs: The mean marks of 30 students in a class is 58.5. Later on it was found that 75 was wrongly recorded as 57. Find the correct them.
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: The average of women and child workers in a factory was 15%yr. The average age of all the 16 children was 8yr and average age of women workers was 22 yrs if ten women workers were married then the number of unmarried women workers were________?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: The average age of students of a class is 15.8 years. The average age of boys in the class is 16.4 years and that of the girls is 15.4 years. The ration of the number of boys to the number of girls in the class is___________?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: In an examination a pupil’s average marks were 63 per paper. If he had obtained 20 more marks for his Geography paper and 2 more marks for his History paper, his average per paper would have been 65. How many papers were there in the examination?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: The average salary of all the workers in a workshop is Rs. 8000. The average salary of 7 technicians is Rs. 12000 and the average salary of the rest is Rs. 6000. The total number of workers in the workshop is__________________?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: The arithmetic mean of the scores of a group of students in a test was 52. The brightest 20% of them secured a mean score of 80 and the dullest 25% a mean score of 31. The mean score of remaining 55% is___________?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: The average age of a husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is___________?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: A cricketer has a certain average for 10 innings. In the eleventh inning, he scored 108 runs, there by increasing his average by 6 runs. His new average is_____________?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average of the team?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: The average monthly salary of 20 employees in an organisation is Rs. 1500. If the manager’s salary is added, then the average salary increases by Rs. 100. What is the manager’s monthly salary?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is 6250 and the average monthly income of P and R is Rs. 5200. The monthly income of P is____________?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is___________?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: The average age of 15 students of a class is 15 years. Out of these, the average age of 5 students is 14 years and that of the other 9 students is 16 years. The age of the 15th student is____________?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: A pupil’s marks were wrongly entered as 83 instead of 63. Due to the average marks for the class got increased by half. The number of pupils in the class is___________?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: The mean of 50 observations was 36. It was found later that an observation 48 was wrongly taken as 23. The corrected new mean is___________?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: If the arithmetic mean of seventy five numbers is calculated, it is 35. If each number is increased by 5, then mean of new number is___________?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the rate in the remaining 40 overs to reach the target of 282 runs?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: The average of runs of a cricket player of 10 innings was 32. How many runs must he make in his next innings so as to increase his average of runs by 4?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: The average of 35 students in a class is 16 years. The average age of 21 students is 14. What is the average age of remaining 14 students?
Category: Mathematics Quizzes, Published by: TCode Scripts

MCQs: The average of five numbers is 27. If one number is excluded, the average becomes 25. The excluded number is__________?
Category: Mathematics Quizzes, Published by: TCode Scripts
