The average weight of a class of 30 students is 40 kg. If, however, the weight of the teacher is included, the average becomes 41 kg. The weight of the teacheris
The average weight of a class of 30 students is 40 kg. If, however, the weight of the teacher is included, the average becomes 41 kg. The weight of the teacheris
The average of the first ten whole numbers is
The average of the first ten whole numbers is
The average weight of a class of 40 students is 40 kg. If the weight of the teacher be included, the average weight increases by 500 gm. The weight of the teacher is
The average weight of a class of 40 students is 40 kg. If the weight of the teacher be included, the average weight increases by 500 gm. The weight of the teacher is
The average of the first ten prime numbers is
The average of the first ten prime numbers is
The average of the first ten composite numbers is
The average of the first ten composite numbers is
The average of the first ten natural numbers is
The average of the first ten natural numbers is
The average of first five multiples of 3 is
The average of first five multiples of 3 is
The average salary of 20 workers in an office is 1900 per month. If the manager's salary is added, the average salary becomes 2000 per month. What is the manager's annual salary?
The average salary of 20 workers in an office is 1900 per month. If the manager's salary is added, the average salary becomes 2000 per month. What is the manager's annual salary?
The average of the first ten prime numbers, which are odd, is
The average of the first ten prime numbers, which are odd, is
The average age of A, B, C and D five years ago was 45 years. By including X, the present average age of all the five is 49 years. The present age of Xis
The average age of A, B, C and D five years ago was 45 years. By including X, the present average age of all the five is 49 years. The present age of Xis
The average of the first ten even numbers is
The average of the first ten even numbers is
Ram bought 2 toys for price per toy is
Ram bought 2 toys for price per toy is
The average of the first ten odd numbers is
The average of the first ten odd numbers is
The average income of Sambhu and Ganesh is' 3,000 and that of Arun and Vinay is' 500. What is the average income of Sambhu, Ganesh, Arun and Vinay?
The average income of Sambhu and Ganesh is' 3,000 and that of Arun and Vinay is' 500. What is the average income of Sambhu, Ganesh, Arun and Vinay?
The average weight of 6 persons is increased by 2.5 kg when one of them whose weight is 50 kg is replaced by a new man. The weight of the new man is
The average weight of 6 persons is increased by 2.5 kg when one of them whose weight is 50 kg is replaced by a new man. The weight of the new man is
If a, b, c, d and e are five consecutive odd numbers, then their average is
If a, b, c, d and e are five consecutive odd numbers, then their average is
The average age of three boys is 15 years. If their ages are in the ratio 3 : 5 : 7, the age of the youngest boy is
The average age of three boys is 15 years. If their ages are in the ratio 3 : 5 : 7, the age of the youngest boy is
The average age of four children is 8 years, (b) 45 (d) 68 which is increased by 4 years when the age of the father is included. Find the age of the father.
The average age of four children is 8 years, (b) 45 (d) 68 which is increased by 4 years when the age of the father is included. Find the age of the father.
The average weight of 40 teachers of a school is 80 kg. If, however, the weight of the principal be included, the average decreases by 1 kg. What is the weight of the principal?
The average weight of 40 teachers of a school is 80 kg. If, however, the weight of the principal be included, the average decreases by 1 kg. What is the weight of the principal?
In a management entrance test, a student scores 2 marks for every correct answer and loses 0.5 marks for every wrong answer. A student attempts all the 100 questions and scores 120 marks. The number of questions he answered correctly was
In a management entrance test, a student scores 2 marks for every correct answer and loses 0.5 marks for every wrong answer. A student attempts all the 100 questions and scores 120 marks. The number of questions he answered correctly was