1. Eight consecutive numbers are given. If the average of the two numbers that appear in the middle is 6, then the sum of the eight given number is

36
48
54
64
None of the above

Solution:

2. The average height of the basketball team A is 5 ft 11 inches and that of B is 6 ft 2 inches. There are 20 players in team A and 18 players in team B. The overall average height is
72.42 inches
72 inches
70.22 inches
70 inches
None of the above

Solution:

3. The average age of 14 girls and their teacher’s age is 15 yr. If teachers age is excluded, then the average reduced by 1. What is the teacher’s age?
29 yr
35 yr
32 yr
30 yr
None of the above

Solution:

4. The average temperature of Delhi for four days in a particular month is 48°C. If the average temperature of second and third days is 34°C and the ratio of the temperatures of first and fourth days is 9 : 11, then find out the temperatures of first and fourth days.
45.5°C, 49.9°C
32.4°C, 39.8°C
43.4°C, 68.2°C
52.4°C, 46.8°C
None of the above

Solution:

5. The average monthly income of 4 earning members of a family is Rs. 7350. One member passes away and the average monthly income becomes Rs. 6500. What was the monthly income of the person, who is no more?
Rs. 6928
Rs. 8200
Rs. 9900
Rs. 13850
None of the above

Solution:

6. The average age of 5 sisters is 20 yr. If the age of the youngest sister be 4 yr, what was the average age of the group of sisters at the birth of the youngest sister?
25 yr
15 yr
18 yr
20 yr
None of the above

Solution:

7. A class is divided into two sections A and B. Passing average of 20 students of section A is 80% and passing average of 30 students of section B is 70%. What is the passing average of both the sections?
72%
74%
75%
77%
None of the above

Solution:

8. The ratio of pens and pencils in a stationary shop is 3 : 2, respectively. The average number of pens and pencils is 180. What is the 30% of number of pencils in the shop?
150
144
245
115
None of the above

Solution:

9. If the average of the ages of Rakesh and Mohan is 15, average of the ages of Mohan and Ramesh is 12 and the average of the ages of Rakesh and Ramesh is 13, then the age of Mohan, is
16
13
14
12
None of the above

Solution:

10. In a certain examination, the average marks of an examinee is 64 per paper. If he had obtained 18 more marks for his mathematics paper and 4 more marks for his English paper, his average per paper would have been 66. How many papers were there in the examination?
11
13
9
15
None of the above

Solution: