Quiz Discussion

A cricketer had a certain average of runs for his 64 innings. In his 65th innings, he is bowled out for no score on his part. This brings down his average by 2 runs. His new average of runs is :

Course Name: Quantitative Aptitude

  • 1] 130
  • 2] 128
  • 3] 70
  • 4] 68
Solution
No Solution Present Yet

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# Quiz
1
Discuss

If the arithmetic mean of 0, 5, 4, 3 is a, that of -1, 0, 1, 5, 4, 3 is b and that of 5, 4, 3 is c, then the relation between a, b, and c is

  • 1] a = b = c
  • 2] a : b : c = 3 : 2 : 4
  • 3] 4a = 5b = c
  • 4] a + b + c = 12
Solution
2
Discuss

30 pens and 75 pencils altogether were purchased for Rs. 510. If the average price of a pencil was Rs. 2, what was the average price of a pen ?

  • 1] Rs. 9
  • 2] Rs. 10
  • 3] Rs. 11
  • 4] Rs. 12
Solution
3
Discuss

The average of 11 results is 60. If the average of first six results is 58 and that of last six is 63, find the 6th result-

  • 1] 66
  • 2] 55
  • 3] 64
  • 4] 68
Solution
4
Discuss

Ten years ago, the ages of the members of a joint family of eight people added up to 231 years. Three years later, one member died at the age of 60 years and a child was born during the same year. After another three years, one more member died, again at 60, and a child was born during the same year. The current average of this eight-member joint family is nearest to-

  • 1] 21 years
  • 2] 22 years
  • 3] 23 years
  • 4] 24 years
  • 5] 25 years
Solution
5
Discuss

The average of six numbers is x and the average of three of these is y. If the average of the remaining three is z, then-

  • 1] x = y + z
  • 2] 2x = y + z
  • 3] x = 2y + 2z
  • 4] None of these
Solution
6
Discuss

Five years ago the average age of A, B, C, D was 45 years. By including X the present average of all the five is 49 years. Them the present age of X is-

  • 1] 40 years
  • 2] 45 years
  • 3] 48 years
  • 4] 64 years
Solution
7
Discuss

Out of 20 boys, 6 are each of 1 m 15 cm height, 8 are of 1 m 10 cm and rest of 1 m 12 cm. The average height of all of them is :

  • 1] 1 m 12.1 cm
  • 2] 1 m 21.1 cm
  • 3] 1 m 21 cm
  • 4] 1 m 12 cm
Solution
8
Discuss

The average of 20 students is 12 years, if the teacher's age is included, average increases by one. The age of the teacher is:

  • 1] 30 years
  • 2] 33 years
  • 3] 28 years
  • 4] 35 years
Solution
9
Discuss

The average weight of 3 men, A, B and C is 84 kg. Another man D joins the group and the average now becomes 80 kg. If another man E whose weight is 3 kg more than that of D, replaces A then the average weight of B, C, D and E becomes 79 kg. What is the weight of A ?

  • 1] 70 kg
  • 2] 72 kg
  • 3] 75 kg
  • 4] 80 kg
Solution
10
Discuss

Find the average of 1.11, 0.01, 0.101, 0.001, 0.11 = ?

  • 1] 0.2664
  • 2] 0.2554
  • 3] 0.1264
  • 4] 0.1165
Solution
# Quiz