model 1 basic average questions Practice Questions Answers Test with Solutions & More Shortcuts

Question : 51

4 boys and 3 girls spent Rs.120 on the average, of which boys spent Rs.150 on the average. Then the average amount spent by the girls is

a) Rs.90

b) Rs.100

c) Rs.60

d) Rs.80

Question : 52 [SSC CGL Prelim 2007]

The average of 10 numbers is 7. If each number is multiplied by 12, then the average of the new set of numbers will be

a) 82

b) 84

c) 19

d) 7

Question : 53 [SSC CGL Tier-II 2015]

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 (in kg) of B is

a) 31

b) 17

c) 26

d) 20

Question : 54

The average of 100 numbers is 44. The average of these 100 numbers and 4 other new numbers is 50. The average of the four new numbers will be

a) 176

b) 24

c) 200

d) 800

Question : 55 [SSC CPO 2016]

The average of 25 results is 20. The average of first 12 results is 15 and that of the last 12 results is 18. Then, the 13th result is :

a) 104

b) 103

c) 101

d) 100