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Q: Average age of 12 men is 56 years. Two members of 60 years and 52 years die. What will the average age of the remaining members? 1921 0

Answer : 3. "56 years "
Explanation :
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Q:
The average of 24 number is 65. The average of first 11 number is 67 and the average of last 10 number is 70. If the 12^th Number is 13 less than the 13^th number , and the 14^th number is one more than the 13^th number, then the average of 12^th and 14^th number is:
1909 0

Answer : 3. "39"

Q:
A cricketer had a certain average of runs for his 64 innings. In his 65th innings, he is bowled out for no score on his part. This brings down his average by 2 runs. His new average of runs is:
1898 0

Answer : 4. "128 "

Q:
The average weight of 29 students is 40 kg. If the weight of teacher be included the average weight increased by 400 gms. The weight of the teacher is-
1897 0

Answer : 3. "52 kg "

Q: The twice of sum of the ages of a father and his son is 8 times the age of the son. If the average age of the father and the son is 30 years, what is father's age ? 1880 0

Answer : 2. "45 yrs"
Explanation :
Answer: B) 45 yrs Explanation: Let father's age be x year and son's age be y year. According to question, 2(x+y) = 8y _(I) and (x+y)/2 = 30 => x+y = 60 years____(II) From equation (I) and (II) 8 y = 120 y = 15 years, Hence x = 45 years.

Q: The average value found for 20 observations was 75. It was noticed later that 97 was read as 79. So, what was the correct average value? 1878 0

Answer : 3. "75.9"
Explanation :
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Q:
The average age of students in 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 ratio of the number of boys to the number of girls in the class is:
1863 0

Answer : 3. "2 : 3"

Q:
The average of eleven numbers is 68. The average of the first numbers is 78 and that of the next four number is 63. The 9^th number is two time the 11^th number and the 10^th number is 4 less than the 11^th number. What is the average of the 9^th and 11^th numbers?
1851 0

Q: Average age of 12 men is 56 years. Two members of 60 years and 52 years die. What will the average age of the remaining members? 1921 05d19cf5a1388cd24f0860eef

Answer : 3. "56 years " Explanation :undefined

Q: The average of 24 number is 65. The average of first 11 number is 67 and the average of last 10 number is 70. If the 12th Number is 13 less than the 13th number , and the 14th number is one more than the 13th number, then the average of 12th and 14th number is: 1909 05f2e6b156bb2fc29b22c6a29

Answer : 3. "39"

Q: A cricketer had a certain average of runs for his 64 innings. In his 65th innings, he is bowled out for no score on his part. This brings down his average by 2 runs. His new average of runs is: 1898 05f2a8dc6a7bb0b71009fdc07

Answer : 4. "128 "

Q: The average weight of 29 students is 40 kg. If the weight of teacher be included the average weight increased by 400 gms. The weight of the teacher is- 1897 0603dce2ee759ac364c8ba6f3

Answer : 3. "52 kg "

Q: The twice of sum of the ages of a father and his son is 8 times the age of the son. If the average age of the father and the son is 30 years, what is father's age ? 1880 05b5cc6c9e4d2b4197774df83

Answer : 2. "45 yrs" Explanation :Answer: B) 45 yrs Explanation: Let father's age be x year and son's age be y year. According to question, 2(x+y) = 8y _______(I) and (x+y)/2 = 30 => x+y = 60 years__________(II) From equation (I) and (II) 8 y = 120 y = 15 years, Hence x = 45 years.

Q: The average value found for 20 observations was 75. It was noticed later that 97 was read as 79. So, what was the correct average value? 1878 05d19e0457619fe30b9d34a66

Answer : 3. "75.9" Explanation :undefined

Q: The average age of students in 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 ratio of the number of boys to the number of girls in the class is: 1863 05ed73fd04bd6e60aba370eb4

Answer : 3. "2 : 3"

Q: The average of eleven numbers is 68. The average of the first numbers is 78 and that of the next four number is 63. The 9th number is two time the 11th number and the 10th number is 4 less than the 11th number. What is the average of the 9th and 11th numbers? 1851 06051c6e0d3e3d30b29d9a74e

Answer : 2. "70.5"

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Q: Average age of 12 men is 56 years. Two members of 60 years and 52 years die. What will the average age of the remaining members? 1921 0

Answer : 3. "56 years "
Explanation :
undefined

Q:
The average of 24 number is 65. The average of first 11 number is 67 and the average of last 10 number is 70. If the 12^th Number is 13 less than the 13^th number , and the 14^th number is one more than the 13^th number, then the average of 12^th and 14^th number is:
1909 0

Q:
A cricketer had a certain average of runs for his 64 innings. In his 65th innings, he is bowled out for no score on his part. This brings down his average by 2 runs. His new average of runs is:
1898 0

Q:
The average weight of 29 students is 40 kg. If the weight of teacher be included the average weight increased by 400 gms. The weight of the teacher is-
1897 0

Q: The twice of sum of the ages of a father and his son is 8 times the age of the son. If the average age of the father and the son is 30 years, what is father's age ? 1880 0

Answer : 2. "45 yrs"
Explanation :
Answer: B) 45 yrs Explanation: Let father's age be x year and son's age be y year. According to question, 2(x+y) = 8y _(I) and (x+y)/2 = 30 => x+y = 60 years____(II) From equation (I) and (II) 8 y = 120 y = 15 years, Hence x = 45 years.

Q: The average value found for 20 observations was 75. It was noticed later that 97 was read as 79. So, what was the correct average value? 1878 0

Answer : 3. "75.9"
Explanation :
undefined

Q:
The average age of students in 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 ratio of the number of boys to the number of girls in the class is:
1863 0

Q:
The average of eleven numbers is 68. The average of the first numbers is 78 and that of the next four number is 63. The 9^th number is two time the 11^th number and the 10^th number is 4 less than the 11^th number. What is the average of the 9^th and 11^th numbers?
1851 0