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Average Test -3

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(1). The average of five numbers is 75. The average of the first and second number 60. The average of fourth and fifth number is 55. What is the third number?

  • (a). 165
  • (b). 125
  • (c). 135
  • (d). 145
  • (e). None of these
Answer : 145

Explanation:

(2). The average of five numbers is 51.4. The average of the first and second number 30.5. The average of fourth and fifth number is 62. What is the third number?

  • (a). 72
  • (b). 42
  • (c). 53
  • (d). 43
  • (e). None of these
Answer : 72

Explanation:

(3). The average of four positive integers is 73.5. The highest integer is 108 and the lowest integer is 29. The difference between the remaining two integers is 15. Which of the following is the smaller of the remaining two integers?

  • (a). 64
  • (b). 71
  • (c). 32
  • (d). 86
  • (e). None of these
Answer : 71

Explanation:

(4). Average salary of 19 workers in an industry is Rs 2,500. The salary of supervisor is 5,550. Find the average salary of all the twenty employees?

  • (a). 2652.5
  • (b). 2545
  • (c). 2552.5
  • (d). 3624
  • (e). None of these
Answer : 2652.5

Explanation:

(5). The average weight of 100 students in a class is 60. The average weight of boys is 72 kgs while the girls average is 56. Find how many numbers of boys are there in the class.

  • (a). 75
  • (b). 15
  • (c). 25
  • (d). 35
  • (e). None of these
Answer : 25

Explanation:

(6). The average age of 480 students in a school is 12 years. The average age of girls is 11 years and 9 months and the boys average is 13 years then how many number of girls in the class?

  • (a). 384
  • (b). 96
  • (c). 192
  • (d). 154
  • (e). None of these
Answer : 384

Explanation:

(7). The Average weight of a group of 53 girls was calculated as 58 kgs. It was later discovered that the weight of one of the girls was read as 65 kgs. Whereas her actual weight was 45 kgs what is the actual average weight of the group of 53 girls? ( Rounded of tow digit after decimal)

  • (a). 67.62 kgs
  • (b). 37.62 kgs
  • (c). 57.62 kgs
  • (d). 58.37 kgs
  • (e). None of these
Answer : 57.62 kgs

Explanation:

(8). The average marks of student in six subjects is 110 after revolution it was found that in one subject, the marks were changed to 148 from 112 and in rest of the subjects marks remained in changed. What are the new average marks?

  • (a). 116
  • (b). 114
  • (c). 104
  • (d). 108
  • (e). None of these
Answer : 116

Explanation:

(9). 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). 44
  • (b). 69
  • (c). 32
  • (d). 70
  • (e). None of these
Answer : 69

Explanation:

(10).
  • (a). 1
  • (b). 2
  • (c). 3
  • (d). 4
  • (e). None of these
Answer : 4

Explanation: