Submit Solution

Your email address will not be published. Required fields are marked *

More Questions on This Topic :

Question 1.  in a village the average age of n people is 42 years. but after the verification it was found that the age of a person had been considered 20 years less than the actual age, so the new average, after
  1.    21
  2.    20
  3.    22
  4.    None of these
Answer: Option B
Explanation :

Question 2.  in a village the average age of n people is 42 years. but after the verification it was found that the age of a person had been considered 20 years less than the actual age, so the new average, after
  1.    21
  2.    20
  3.    22
  4.    None of these
Answer: Option B
Explanation :

Question 3.  a motorist travels to a place 150 km away at an average speed of 50 km/hr and returns at 30 km/hr. his average speed for the whole journey in km/hr is :
  1.    35
  2.    36
  3.    37.5
  4.    38.2
Answer: Option C
Explanation :

Question 4.  the average of the two-digit numbers, which remain the same when the dibits inter-change their positions, is :
  1.    53
  2.    54
  3.    55
  4.    56
Answer: Option C
Explanation :

Question 5.  a motorist travels to a place 150 km away at an average speed of 50 km/hr and returns at 30 km/hr. his average speed for the whole journey in km/hr is :
  1.    35
  2.    36
  3.    37.5
  4.    38.2
Answer: Option C
Explanation :

Question 6.  in a village the average age of n people is 42 years. but after the verification it was found that the age of a person had been considered 20 years less than the actual age, so the new average, after
  1.    21
  2.    20
  3.    22
  4.    None of these
Answer: Option B
Explanation :