The average of five consecutive positive integers is n. If the next two integers are also included, the average of all these integers will

• increase by 1.5

• increase by 1

• remain the same

• remain the same

The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is

• 31 kg

• 32 kg

• 29.5 kg

• 29.5 kg

The average of 7 consecutive numbers is 20. The largest of these numbers is

• 20

• 23

• 24

• 24

The sum of three consecutive even numbers is 28 more than the average of these three numbers. Then the smallest of these three numbers is

• 6

• 12

• 14

• 14

The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded, the average of the remaining 38 innings is 48 runs. The highest score of the player is

• 165

• 170

• 172

• 172

Mukesh has twice as much money as Soham. Soham has 50% more money than Pankaj. If the average money with them is Rs. 110, then Mukesh has

• Rs. 155

• Rs. 160

• Rs. 180

• Rs. 175

The average daily income of 7 men, 11 women and 2 boys is Rs. 257.50. If the average daily income of the men is Rs. 10 more than that of women and the average daily income of the women is Rs. 10 more than that of boys, the average daily income of a man is

• Rs. 277.5

• Rs. 250

• Rs. 265

• Rs. 257

Fifteen movie theatres average 600 customers per theatre per day. If six of the theatres close down but the total theatre attendance stays the same, then the average daily attendance per theatre among the remaining theatres is

• 900

• 1000

• 1100

• 1100

69.

The average age of the boys in a class is 18 years. The average age of the girls in that class is 12 years. If the ratio of the number of boys and girls in that class is 3 : 2, then the average age of the class is

• 15.6 years

• 16.5 years

• 15 years

• 15 years

The average age of 3 friends is 23. Even if the age of 4th friend is added, the average age remains the same. Then the age of the four friend is

• 20 years

• 21 years

• 22 years

• 22 years