Q61. A grocer has a sale of Rs 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs, 6500 ?
A. 6453
B. 4991
C. 5987
D. 5467
Q62. The average of runs of a cricket player of 10 innings was 32. How many runs must he make in his next innings so as to increase his average of runs by 4 ?
A. 87
B. 79
C. 76
D. 85
Q63. The average of 7 consecutive numbers is 20. The largest of these numbers is :
A. 23
B. 21
C. 22
D. 24
Q64. The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero ?
A. 1
B. 0
C. -1
D. None of these
Q65. The average weight of 8 persons increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person ?
A. 80 kg
B. 85 kg
C. 70 kg
D. 75 kg
Q66. The average weight of a class of 24 students is 35 kg. If the weight of the teacher be included, the average rises by 400 g. The weight of the teacher is :
A. 47 kg
B. 46 kg
C. 45 kg
D. 48 kg
Q67. The average of five consecutive odd numbers is 61. What is the difference between the highest and lowest numbers :
A. 8
B. 4
C. 12
D. 16