**1. The Average of first 9 prime numbers is:**

a. 9

b. 11

c. 11 1/9

d. 12

Answer: (c)

**2. The average of first 8 multiples of 5 is**

a. 51

b. 52

c. 22.5

d. 40

Answer: (c)

**3. Out of three numbers, the first is twice the second and half of the third. if the average of these numbers is 56, the smallest of these numbers is?**

a. 36

b. 24

c. 35

d. 27

Answer: (b)

**4. A man covers half of his journey at 6 km/hr and the remaining half at 3 km/hr. His average speed is**

a. 2 km/hr

b. 5 km/hr

c. 3 km/hr

d. 4 km/hr

Answer: (d)

**5. The average age of a man and his son is 35 years. The ratio of their age is 5:2. What is son's age?**

a. 6 years

b. 12 years

c. 20 years

d. 25 years

Answer: (c)

**6. The average of 25 results is 18; that of first 12 is 14 and that of the last 12 is 17. The 13th result is:**

a. 75

b. 78

c. 60

d. 76

Answer: (b)

a. 39 years

b. 40 years

c. 81 years

d. None of the above

Answer: (a)

a. Rs.6000

b. Rs.6150

c. Rs.6060

d. Rs.6245

Answer: (c)

a. 15 years

b. 16 years

c. 17 years

d. 18 years

Answer: (a)

a. Rs.55/-

b. Rs.50/-

c. Rs.40/-

d. Rs.74

Answer: (c)

**7. The average of 24 boys and their teacher is 15 years. When the teacher's age excluded, the average age decreases by 1 year. The age of the teacher is**a. 39 years

b. 40 years

c. 81 years

d. None of the above

Answer: (a)

**8. If the total monthly income of 16 persons is Rs.80800 and the income of one of them is 120% of the average income, then his income is:**a. Rs.6000

b. Rs.6150

c. Rs.6060

d. Rs.6245

Answer: (c)

**9. The average age A, B and C is 25 years and their ages are in the ratio 3:5:7. What is the age of A?**a. 15 years

b. 16 years

c. 17 years

d. 18 years

Answer: (a)

**10. A Man and a boy together worked for 5 days and were paid Rs.800 as its labour. If the man works thrice as much as a boy in the same time, what are the daily wages of the boy?**a. Rs.55/-

b. Rs.50/-

c. Rs.40/-

d. Rs.74

Answer: (c)

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