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*Q1.*

*The average of 5 numbers is 306.4. The average of the*

*first two numbers is 431 and the average of the last*

*two numbers is 214.5.What is the third number?*

*(a)108*

*(b)52*

*(c)321*

*(d)Cannot be determined*

*(e)None of these*

*Q2.*

*Kamlesh bought 65 books for Rs. 1,050 from one shop*

*and 50 books for Rs. 1,020 from another. What is the*

*average price he paid per book?*

*(a)36.4*

*(b)Rs. 18.20*

*(c)Rs. 24*

*(d)18*

*(e) None of these*

*Q3.*

*The sum of five numbers is 290.The average of the*

*first two numbers is 48.5 and the average of last two*

*numbers is 53.5. What is the third number?*

*(a)72*

*(b)84*

*(c)96*

*(d)108*

*(e) None of these*

*Q4.*

*The average weight of a group of 53 girls was*

*calculated as 58 kg. It was later discovered that the*

*weight of one of the girls was read as 65 kg. Whereas*

*her actual weight was 45 kg. What is the actual*

*average weight of the group of 53 girls? (rounded off*

*to two digits after decimal)*

*(a) 58.62 kg.*

*(b) 58.37 kg.*

*(c) 57.37 kg.*

*(d) 57.62 kg.*

*(e) None of these*

*Q5.*

*The average marks in Science subject of a class of 20*

*students is 68. If the marks of two students were*

*misread as 48 and 65 of the actual marks 72 and 61*

*respectively, then what would be the correct average?*

*(a)68.5*

*(b)69*

*(c)69.5*

*(d)70*

*(e)66*

*Q6.*

*The average age of the family of five members is 24. If*

*the present age of youngest member is 8 years, then*

*what was the average age of the family at the time of*

*the birth of the youngest member?*

*(a) 20 years*

*(b) 16 years*

*(c) 12 years*

*(d) 18 years*

*(e) 21 years*

*Q7.*

*The average of 5 numbers is 65. The average of the*

*first two numbers is 81 and the average of the last two*

*numbers is 38. What is the third number?*

*(a)63*

*(b)87*

*(c)99*

*(d)Cannot be determined*

*(e)None of these*

*Q8.*

*The total marks obtained by a student in Physics,*

*Chemistry and Mathematics together are 120 more*

*than the marks obtained by him in Chemistry. What is*

*the average marks obtained by him in Physics and*

*Mathematics together?*

*(a)60*

*(b)120*

*(c)40*

*(d)Cannot be determined*

*(e)None of these*

*Q9.*

*The average age of 80 boys in a class is 15 years, The*

*average age of a group of 15 boys in the class is 16*

*years and the average age of another 25 boys in the*

*class is 14 years. What is the average age of the*

*remaining boys in the class?*

*(a) 15.25 years*

*(b) 14 years*

*(c)14.75 years*

*(d)Cannot be determined*

*(e)None of these*

*Q10.*

*The average age of seven boys sitting in a row facing*

*North is 26 years. If the average age of first three boys*

*is 19 years and the average age of last three boys is 32*

*years, what is the age of the boy who is sitting in*

*middle of the row?*

*(a)28 years*

*(b) 29 years*

*(c) 24 years*

*(d) 31 years*

*(e) None of these*