The marks of a student were entered as 88 instead of 68. Due to this, the average marks of the class increased by 0.5. What is the number of students in the class?
Average of 12 numbers is 15. If a number 41 is also included, then what will be the average of these 13 numbers?
The average salary of Sanjay from January to June is Rs. 12000 and from July to September is Rs. 13000 and for last 3 months the average salary is Rs. 1500 more than July to September. Find the average annual salary of Sanjay.
The average weight of 48 students of a class is 36 kg. If the weights of teacher and principal is included. The average becomes 36.76 kg. Find the sum of the weights of teacher and principal?
Average age of three boys is 22 years. If the ratio of their ages is 6 : 9 : 7, then the age of the youngest boy is
The average of nine numbers is 60, that of the first five numbers is 55 and the next three is 65. The ninth number is 10 less than the tenth number. Then, tenth number is :
The average salary of the entire staff in Reliance Company is Rs.15000 per month. The average salary of officers is Rs.45000 per month and that of non-officers is Rs.10000 per month. If the number of officers is 20 then find the number of non-officers in the Reliance company.
The average salary per head of all the employees of an institution is Rs.60. The average salary of 12 officers is Rs.400, the average salary per head of the rest is Rs.56.The total number of employees in the institution is:
The average of 45 numbers is 150. Later it is found that a number 46 is wrongly written as 91, then find the correct average.
The average Weight of 60 students in class is 18kgs. The Avg. Weight of boys is 15 kg and Avg. Weight of girls is 20kg. Find the Total no. of Girls in a class.
The average age of five members in a family is 30 years. If the present age of youngest member in the family is 10 years, what was the average age of the family at the time of birth of the youngest member?
The average of 11 numbers is 40. The average of first five numbers is 45 and that of last five numbers is 38. Then find the sixth number?
The average age of 30 students in a class is 16 years. If the age of the teacher is included then the average increases by 1 then find the age of the teacher’s wife who is 4 years younger than the teacher?
Average number of chocolates distributed in a class of 40 students is 5. If x number of students joined newly in the class and the average goes to 4, then find the number of students newly joined?
Average present age of Father, Mother and daughter is 26 years. Average age of Father and daughter five years ago is 21 years then find the age of mother after 10 years?
Average of five consecutive odd numbers is x and the highest odd number is minimum number in another set of seven consecutive numbers. Find the sum of the five consecutive odd numbers if the average of the seven consecutive numbers is 30
In a class, 40 boys and their average age is five-sixth of the number of girls in that class and 30 girls and their average age is half of the number of boys in that class. Find the overall average in the class (Approximately)
The average score of Sneha, Jothi and Prakash is 48. Sneha is 6 marks less than that of Praveen and 4 marks more than that of Prakash. If Praveen scored 18 marks more than the average of Sneha, Jothi and Prakash, what is the sum of Jothi and Prakash score?
The average cost of three mobiles A, B and C of a certain company is Rs. 30000. The average cost decrease by 20% when mobile D of the same company is included. What is the cost price of mobile D?
The average age of five members of a family is 30 years. If the present age of a youngest member of the family is 10 years, what was the average age of the family at the time of birth of the youngest member?
The average age of 25 students and teacher is 15 years. If the age of the teacher is excluded, then the average is decreased by one year. Find the age of the teacher?
4 years ago, the average age of the family of 5 members is 23 years. A baby is born now; the average age of the family is same as before. Find the age of the baby?
The average number of sweets distributed in a class of 60 students is 5. If ‘x’ number of students newly joined the class and the average becomes 4, and then find the newly joined students in the class?
3 years ago the average age of Rajesh and Prasanth was 21 years. Then Gokul join with them, the average age becomes 27 years. How old is Gokul now?
The average of 9 persons age is 63. The average of 3 of them is 58, while the average of the other 3 is 60. What is the average of the remaining 3 numbers?
A grocer has a sale of Rs.6435, Rs.6927, Rs.6855, Rs.7230 and Rs.6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs.6500?
When 2 is subtracted from each of the given n numbers, then the sum of the numbers so obtained is 102 . When 5 is subtracted from each of them, then the sum of the numbers so obtained is 12. What is the average of the given n numbers?
The mean of 10 numbers is 7 If each number is multiplied by 10 then the mean of new set of numbers is
For 9 innings, Boman has an average of 75 runs. In the tenth inning, he scores 100 runs, thus increasing his average . His new average is
The average monthly salary of Sailesh is Rs 75,000 for 12 months (from January to December). If the salary that he receives in January and February is removed, the average salary falls by 15,000. What is the average of the salaries received in January and February?
The average age of 20 students is 12 years. If the teacher's age is included ,average increases by one. The age of the teacher is
The average of nine numbers is 60, that of the first five numbers is 55 and the next three is 65. The ninth number is 10 less than the tenth number. Then, tenth number is –
The average of eleven consecutive even numbers is 24.What is the difference between the highest and the lowest numbers?
Out of 15 persons, 14 persons spent Rs. 75 each for their meals. The 15th person spent 70 more than the average expenditure of all the fifteen. The total money spent by all of them was?
ഒരു ക്ലാസിലെ 20 കുട്ടികളുടെ ശരാശരി മാർക്ക് 30 ഉം ബാക്കി 10 കുട്ടികളുടെ ശരാശരി മാർക്ക് 15ഉം ആയാൽ ആ ക്ലാസിലെ ആകെ കുട്ടികളുടെ ശരാശരി മാർക്ക് എത്ര?
ഒരു ക്ലാസിലെ 30 കുട്ടികളുടെ ശരാശരി വയസ്സ് 10 ആണ്. ടീച്ചറിനെയും കൂടി ചേർത്തപ്പോൾ ശരാശരി വയസ്സ് 11 ആയി. എങ്കിൽ ടീച്ചറുടെ വയസ്സ് എത്ര?
ഒരു കുടുംബത്തിലെ 5 അംഗങ്ങളുടെ ശരാശരി പ്രായം 23 വയസ്സാണ്. ഇതിൽ ഏറ്റവും പ്രായം കുറഞ്ഞ ആളുടെ പ്രായം 11 വയസ്സാണ്. ഈ കുടുംബത്തിൽ ബാക്കിയുള്ളവരുടെ പ്രായത്തിന്റെ ശരാശരി എത്രയാണ് ?
ഒരു കുടുംബത്തിലെ അഞ്ച് അംഗങ്ങളുടെ ശരാശരി പ്രായം 23 വയസ്സാണ്. ഇതിൽ ഏറ്റവും പ്രായം കുറഞ്ഞ ആളുടെ പ്രായം 11 വയസ്സാണ്. ഈ കുടുംബത്തിൽ ബാക്കിയുള്ളവരുടെ പ്രായത്തിന്റെ ശരാശരി എത്രയാണ് ?
15 സംഖ്യകളുടെ ശരാശരി 25 ആയാൽ ഓരോ സംഖ്യയുടെയും കൂടെ 2 ഗുണിക്കുന്നു. അതിനുശേഷം 3 കൂട്ടുന്നു. എങ്കിൽ പുതിയ ശരാശരി എത്ര?
ഒരു ക്ലാസ്സിലെ 30 കുട്ടികളുടെ ശരാശരി മാർക്ക് 40 ഉം ബാക്കി 20 കുട്ടികളുടെ ശരാശരി 35 ഉം ആയാൽ ആ ക്ലാസ്സിലെ ആകെ കുട്ടികളുടെ ശരാശരി മാർക്ക് എത്ര?
ഒരു കുട്ടി 10 സംഖ്യകളുടെ ശരാശരി എടുത്തപ്പോൾ 79 കിട്ടി. പിന്നീട് ശ്രദ്ധിച്ചപ്പോൾ 47 നു പകരം 97 എന്നും 82 നു പകരം 32 എന്നും എഴുതി കൂട്ടിയതായിക്കണ്ടു. എങ്കിൽ യഥാർത്ഥ ശരാശരി എത്ര?