Related Questions

The average weight of 5 men is increased by 2 kg, when one of the men whose weight is 60 kg is replaced by a new man. The weight of the new man is:
A 70kg
B 60kg
C 50kg
D 80kg
The average age of 8 men is increased by 4 years when one of them whose age is 30 years is replaced by a new man. What is the age of new man?
A 55 Years
B 62 Years
C 42 Years
D 69 Years
The average age of 8 men is increased by 2 years when one of them whose age is 24 years is replaced by a woman. What is the age of the woman ?
A 35 years
B 28 years
C 32 years
D 40 years
Two men and women are entrusted with a task. The second man needs three hours more to cope up with the job than the second man and the woman would need working together. The first man, working alone, would need as much time as second man and the woman working together. The first man working alone, would spend eight hours less than the double period of the time second man would spend working alone. How much time would the two men and the women need to complete the task if they all asked together?
A 1 hour
B 2 hours
C 3 hours
D 4 hours
E 5 hours
Weight of C is twice the weight of M. Weight of M is 1/9 of the weight of R. Weight of R is 5/2 of the weight of K. Weight of K is 1/3 of the weight of G. Who is the second lightest?
A C
B M
C K
D G
The average age of a group of 10 students was 20. The average age increased by 2 years when two new students joined the group. What is the average age of the group. What is the average age of the two new students who joined the group?
A 22 years
B 30 years
C 40 years
D 32 years
Three maths classes: X, Y, and Z take an algebra test. The average score of class X is 83. The average score of class Y is 76. The average score of class Z is 85. The average score of class X and Y is 79 and the average score of class Y and Z is 81. What is the average score of the combined classes X, Y, and Z?
A 81
B 81.5
C 82
D 84.5
Three math classes , X, Y , and Z, take an algebra test. The average score in class X is 83. The average score in class Y is 76. The average score in class Z is 85. The average score of all students in classes X and Y together is 79. The average score of all student classes Y and Z together is 81. What is the average for all the three classes?
A 81
B 81.5
C 82
D 84.5
The average weight of 3 young men is 53 kg. No one of them weight less than 51 kg. What is the maximum weight of any one man ?
A 53
B 55
C 57
D 59
The average weight of teacher is also included, then the average weight is increased by 200 grams. Find the weight of the teacher?
A 93.6 kg
B 94 kg
C 93.4 kg
D 94.6 kg

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