SSC Exam PYQs on Average Part 6
SSC Exam PYQs on Average Part 6
#### The average age of 30 students of a class is 14 yr 4 months. After admission of 5 new students in the class, the average becomes 13 yr 9 months. The youngest one of the five new students is 9 yr 11 months old. The average age of the remaining 4 new students is
1. [x] 10 yr 4 months
2. [ ] 12 yr 4 months
3. [ ] 13 yr 6 months
4. [ ] 11 yr 2 months
#### In an examination average marks obtained by the girls of a class is 85 and the average marks obtained by the boys of the same class is 87. If the girls and boys are in the ratio 4 : 5, average marks of the whole class (approx.) is closest to
1. [ ] 86.4
2. [x] 86.1
3. [ ] 86.5
4. [ ] 85.9
#### Three Science classes A, B and C take a Life Science test. The average score of class A is 83. The average score of class B is 76. The average score of class C is 85. The average score of class A and B is 79 and average score of class B and C is 81. Then, the average score of classes A, B and C is
1. [ ] 80
2. [ ] 81
3. [x] 81.5
4. [ ] 80.5
#### If the average of 6 consecutive even numbers is 25, the difference between the largest and the smallest number is
1. [ ] 8
2. [x] 10
3. [ ] 12
4. [ ] 14
#### The average of 11 results is 50. If the average of the first six results is 49 and that of the last six is 52, the sixth result is
1. [ ] 48
2. [ ] 50
3. [ ] 52
4. [x] 56
