Question : There are 3 members in a family. The average age of the father and mother is 40 years. The average age of the father, mother, and daughter is 30 years. Find the age (in years) of the daughter.

Option 1: 6

Option 2: 12

Option 3: 10

Option 4: 8

Question : Direction: The average age of 19 boys in a class is 21 years. If the teacher's age is included, the average increases to 22 years. What is the teacher's age?

Option 1: 39 years

Option 2: 41 years

Option 3: 40 years

Option 4: 44 years

Question : The term of the office of the member of the UPSC is 

Option 1: 3 years , or till they attain 58 years of age 

Option 2: 5 years , or till they attain 60 years of age 

Option 3: 6 years , or till they attain 65 years of age 

Option 4: 6 years

Question : The number of students in section A and section B of a class are 40 and 52, respectively. The average score in mathematics of all the students is 75. If the average score of the students in A is 20 % more than that of students in B then what is the average score of students in B?

Option 1: 71

Option 2: 65

Option 3: 69

Option 4: 63

Question : The average age of 7 students in a class is 28 years. The average age of the first three students is 30 years. The age of the fourth student is 4 years less than the age of the fifth student. The ages of the last two students are the same and are 5 more than the average age of the first three students. What is the average age of fourth and fifth students?

Option 1: 20 years

Option 2: 36 years

Option 3: 16 years

Option 4: 18 years