Average (SSC)Total Questions: 4341. The average age of 120 students in a group is 13.56 years, 35% of the number of students are girls and the rest are boys. If the ratio of the average age of boys and girls is 6:5, then what is the average age (in years) of the girls? [SSC CGL Tier II (13/09/2019)](a) 12(b) 11.6(c) 10(d) 14.4Correct Answer: (a) 1242. The average of 18 numbers is 37.5. If six numbers of average x are added to them, then the average of all the numbers increases by one. The value of x is :: [SSC CGL Tier II (13/09/2019)](a) 40(b) 41.5(c) 42(d) 38.5Correct Answer: (b) 41.543. The average weight of a certain number of students in a group is 72 kg. If 10 students having an average weight of 78 kg leave and 4 students having an average weight of 80 kg join the group, the average weight of the students in the group decreases by 0.7 kg. The number of students initially in the group is: [SSC CGL Tier II (12/09/2019)](a) 56(b) 46(c) 44(d) 54Correct Answer: (b) 46Submit Quiz« Previous12345
