ARUN ACADEMY is an institution training students for BANK PO, CLERK, SPECIALIST OFFICERS, TRB-PG & UG, TET, TNPSC Group Exams, Railways, SSC, Insurance Sector –AO, AAO & ADO, Police, S.I & Entrance Examinations.
12-B II Floor, RBT Mall, Near ARRS Multiplex
P.O. Box: 12-B II Floor,
Salem
Tamilnadu
636004
India

Average Test -8

  • Remaining Timing :-

(1). The average age of A, B and C is 60years. If D joins the group, the average age of the group becomes 56 years. If another man E who age is 3years more than D Replaces A, Then the average of B, C, D and E becomes 55years. What is the age A?

  • (a). 34
  • (b). 51
  • (c). 48
  • (d). 54
  • (e). None of these
Answer : 51

Explanation:

(2). The average of four positive integers is 60. One of the integer is 70 and the lowest integer is 40. The difference between the remaining two integers is 22. Which of the following integers is smaller of the remaining two integers?

  • (a). 54
  • (b). 26
  • (c). 39
  • (d). Cannot be determined
  • (e). None of these
Answer : 54

Explanation:

(3). Mohan earns 3/2 times in Febrauary, March, June and December than his average earning of Rs.600 per month in the rest of the month. So his savings in the Febrauary, March, June and Decembe goes to 5/4 times that of the rest months saving of Rs.400 per month in the year. The average expenditure of per month is:

  • (a). Rs.266.66
  • (b). Rs.250
  • (c). Rs.233.3
  • (d). Rs.433.33
  • (e). None of these
Answer : Rs.266.66

Explanation:

(4). The average monthly income of Arun and Bala is Rs.1500. The average monthly income of Bala and Charu is Rs. 1750 and the average monthly income of Arun and Charu is Rs. 1600. What is the monthly income of Arun?

  • (a). 1350
  • (b). 1650
  • (c). 1800
  • (d). 1600
  • (e). None of these
Answer : 1350

Explanation:

(5). In an examination, a student's average marks were 83. If he had obtained 40 more marks in Mathematics and 5 more marks in Econimics, his average would have been 88. How many subjects were there in the examination?

  • (a). 22
  • (b). 12
  • (c). 6
  • (d). 9
  • (e). None of these
Answer : 9

Explanation:

(6). On an average 200 people visiting Biological zoo on Monday, Tuesday and Wednesday and the average number of visitors on Thursday and Friday is 450. If the average number of visitors per day in the whole week be 350, then the average number of people who visit Biological zoo in weekends (i.e., on Saturday and Sunday) is:

  • (a). 475
  • (b). 250
  • (c). 300
  • (d). 400
  • (e). None of these
Answer : 475

Explanation:

(7). In Raj's opinion, his weight is more than 45 kg but less than 53 kg. His brother Hari does not agree with Raj and he thinks that Raj's weight is greater than 35 kg but less than 50 kg. His Father's view is that his weight cannot be greater than 49 kg. If all of them are correct in their estimation, what is the average of different probable weights of Raj?

  • (a). 27 kg
  • (b). 47.5 kg
  • (c). 71 kg
  • (d). 67 kg
  • (e). None of these
Answer : 47.5 kg

Explanation:

(8). The average salary of the entire staff in a office is Rs 15000 per month. The average salary of senior officers is Rs20000 and that of junior officers are Rs 8000. If the number of senior officers is 21, then find the number of Junior officers in the office.

  • (a). 52
  • (b). 45
  • (c). 52
  • (d). 15
  • (e). 53
Answer : 15

Explanation:

(9). There were 75 students in a hostel. If the number of students increases by 14, the expenses of the mess increase by Rs. 88 per day while the average expenditure per head diminishes by Rs2. Find the original expenditure of the mess.

  • (a). Rs. 1200
  • (b). Rs.1240
  • (c). Rs. 1425
  • (d). Rs. 450
  • (e). None of these
Answer : Rs. 1425

Explanation:

(10). The average age of A, B, C and D five years ago was 45 years. By including E, the present average of all the five is 49 years. The present age of E is.

  • (a). 45
  • (b). 55
  • (c). 35
  • (d). 25
  • (e). None of these
Answer : 45

Explanation: