The average weight of a group of boys is 30 kg. After a boy of weight 35 kg joins the group, the average weight of the group goes up by 1 kg. Find the number of boys in the group originally?
A. 4
B. 5
C. 6
D. 7
Arithmetic Mcqs · Easy · 3 weeks ago
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Arithmetic Mcqs
A salt manufacturing company produced a total of 5000 tonnes of salt in January of a particular year. Starting from February its production increased by 100 tonnes every month over the previous months until the end of the year. Find its average monthly production for that year?
A. 6060
B. 7070
C. 5550
D. 4440
Arithmetic Mcqs · Easy · 3 weeks ago
The average amount with a group of seven numbers is Rs. 20. If the newly joined member has Rs. 50 with him, what was the average amount with the group before his joining the group?
A. Rs. 25
B. Rs. 18
C. Rs. 15
D. Rs. 22
Arithmetic Mcqs · Easy · 3 weeks ago
The sum of five numbers is 655. The average of the first two numbers is 85 and the third number is 125. Find the average of the two numbers?
A. 180
B. 170
C. 190
D. 175
Arithmetic Mcqs · Easy · 3 weeks ago
Find the average of the series : 312, 162, 132, 142 and 122?
A. 194
B. 174
C. 162
D. 186
Arithmetic Mcqs · Easy · 3 weeks ago
The average age of a group of 10 persons was decreased by 3 years when one person, whose age was 42 years, was replaced by a new person. Find the age of the new person?
A. 22
B. 24
C. 12
D. 8
Arithmetic Mcqs · Easy · 3 weeks ago
The average of the marks of 12 students in a class is 36. If the marks of each student are doubled, find the new average?
A. 72
B. 45
C. 37
D. 79
Arithmetic Mcqs · Easy · 3 weeks ago
The average of 10 numbers is 23. If each number is increased by 4, what will the new average?
A. 22
B. 27
C. 25
D. 29
Arithmetic Mcqs · Easy · 3 weeks ago
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