• 20
• 24
• 26
• 28

• 31.22 years
• 22.94 years
• 28.23 years
• 18.5 years

• 142
• 138.5
• 139.5
• 143.5

• 20
• 25
• 30
• 40

• Rs. 3000
• Rs. 3185
• Rs. 3200
• Rs. 3580

• 660
• 880
• 650
• 528

• 36
• 37
• 38
• 39

• 29.4
• 29.5
• 29.8
• 29.9

• 60
• 30
• 84
• 40

• 10 years
• 20 years
• 30 years
• 25 years

• 16
• 8
• 6
• 12

• 162. 9 cm
• 163 cm
• 163.1 cm
• 163.2 cm

• 20
• 10
• 5
• 15
• #### 14.  What is the average of the following set of numbers? 112, 102, 133, 116 and 127

• 108
• 118
• 128
• 110
• None of these

• 1030
• 1035
• 1202
• 1032
• #### 16.  The average of five positive numbers is 319.20. The average of first two numbers is 482.5 and the average of last two numbers is 258.5. What is the number after interchanging hundredth place digit and unit place digit of the third number?

• 114
• 411
• 141
• Cannot be determined
• #### 17.  A man worked 15 hours a day for the first 4 days, 14 hours a day for the next 3 days but did not work on the 8th day. Then on the average how much did he work in the first eight days?

• 12 hours 40 minutes
• 21 hours 45 minutes
• 10 hours 45 minutes
• 12 hours 45 minutes
• #### 18.  The average age of 31 students in a class is 16 years. It the age of their teacher is 48 years, what is the average age of the students and teacher combined?

• $$17\frac{2}{3}years$$
• $$31\frac{1}{2}years$$
• 16 years
• 17 years

• 5
• 35
• 112
• 45
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