Average Questions for SBI Clerk Exam: 28th April 2018

Q3. The average age of eleven cricket players is 20 years. If the age of the coach is also included, the average age increases by 10%. The age of the coach is:  
(a) 48 years
(b) 44 years
(c) 40 years
(d) 36 years
(e) 52 years


Q4. A, B, C, D, E, F are the only six families in Vyas colony. A, B, C, D, E and F has 7, 8, 10, 13, 6 and 10 members in their families respectively. If 1member form all the six families left their respective families to accommodate themselves in hostel of Police training academy, then the average number of members now in each family of Vyas colony is: 
(a) 8
(b) 9
(c) 10
(d) 13
(e) 15


Q5. Nine persons went to a hotel for taking their meals. Eight of them spent Rs. 12 each over their meals and their ninth spent Rs. 8 more than the average expending of all the nine. Total money spent by them was:  
(a) 104
(b) 105
(c) 116
(d) 117
(e) 119


Q6. A car owner buys petrol at Rs. 7.50/ letre, Rs. 8.00/ litre and Rs. 8.50/ litre during three consecutive years respectively. What is the average cost per litre of petrol if he spends Rs. 4000 each year.  
(a) Rs. 8
(b) Rs. 9
(c) Rs. 7.98
(d) Rs. 8.50
(e) Rs. 10.98


Q7. A batsman has a certain average in 59 innings. If his average increased by 2 runs after scoring 181 in the last innings, what is his average after these 60 innings?  
(a) 61
(b) 63
(c) 62
(d) 60
(e) 72


Q8. The average age of 8 persons in a committee is increased by 2 years when two men aged 35 years and 45 years are substituted by two women. The average age of these two women is:
(a) 52 years
(b) 56 years
(c) 48 years
(d) 44.4 years
(e) 38.4 years


Q9. The average of 5 consecutive numbered is n. If the next two numbers are also included, the average of the 7 numbers will be?
(a) increase by 2
(b) increase by 1
(c) remain the same
(d) increase by 1.4
(e) None of these


Q10. A car travels a certain distance from town A to town B at the speed of 42 km/hr and from town B to town A at a speed of 48 km/hr. What is the average speed of the car? 
(a) 45 km/hr
(b) 46 km/hr
(c) 44 km/hr
(d) 44.8 km/hr
(e) 46.8 km/hr


Q11. A has double the money of B and B has 50% more money than C. If average money of all the three persons is Rs. 12000, how much money does A have? 
(a) Rs. 2111000/11
(b) Rs. 315000/11
(c) Rs. 216000/11
(d) Rs. 316000/11
(e) None of these

Q13. The average of 30 results is 20 and the average of other 20 results is 30. What is the average of all the results?
(a) 24
(b) 48
(c) 25
(d) 50
(e) 54


Q14. Among the three numbers, the first is 3 times the second and the third is 5 times time the first. If the average of the three numbers is 57, the difference between the largest and the smallest number is  
(a) 9
(b) 18
(c) 126
(d) 135
(e) 108


Q15. The average of marks of 14 students was found to be 71. But it was later found that the marks of one student had been wrongly entered as 42 instead of 56 and of another as 74 instead of 32. Find the correct average.
(a) 67
(b) 68
(c) 69
(d) 71
(e) 75