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Quantitative Aptitude

AVERAGES MCQs

Averages

Total Questions : 3752 | Page 12 of 376 pages
Question 111.  find the average of the following set of numbers. 342, 170, 610, 512, 464, 372, 180, 268, 142
  1.    220
  2.    260
  3.    340
  4.    410
 Discuss Question
Answer: Option C. -> 340
Explanation :
Question 112.  the average age of a man and his son is 41 years. the ratio of their ages 6 years ago was 5 : 2 respectively? what is the present age of son ?
  1.    24 years
  2.    25 years
  3.    26 years
  4.    27 years
 Discuss Question
Answer: Option C. -> 26 years
Explanation :
Question 113.  what is average speed of a man ? i. he walks at 5 kmh-1 from place a to b and returns back at 4 kmh-1 ii. the distance between a and b is 10 km.
  1.    If statement I alone is sufficient but statement II alone is sufficient.
  2.    If statement II alone is sufficient but statement I alone is not sufficient.
  3.    If both statement I and II together are sufficient but neither statement alone is sufficient.
  4.    If each statement alone is sufficient.
 Discuss Question
Answer: Option A. -> If statement I alone is sufficient but statement II alone is sufficient.
Explanation :
Question 114.  what is the average of first 21 multiples of 7 ?
  1.    77
  2.    88
  3.    99
  4.    109
 Discuss Question
Answer: Option A. -> 77
Explanation :
Question 115.  last year sahara, tata, singhania and birla each has 250 industries. this year everyone has sold out 10 factories due to the recession of the economy and poor turnout. find average?
  1.    70
  2.    130
  3.    240
  4.    360
 Discuss Question
Answer: Option C. -> 240
Explanation :
Question 116.  in a flower shop there were 6 flowers in each bouquet. if the seller has doubled the number of flowers in each bouquet then the new average of flowers in each bouque is
  1.    4
  2.    9
  3.    12
  4.    17
 Discuss Question
Answer: Option C. -> 12
Explanation :
Question 117.  the average of 3 numbers is 26. two of the numbers are 11 and 21. what is the third number?
  1.    32
  2.    38
  3.    46
  4.    54
 Discuss Question
Answer: Option C. -> 46
Explanation :
Question 118.  out of three number, the first is twice the second and is half of the third. if the average of the three number is 56, the three number on order are ?
  1.    96, 48, 24
  2.    48, 96, 24
  3.    48, 24, 96
  4.    96, 24,48
 Discuss Question
Answer: Option C. -> 48, 24, 96
Explanation :
Question 119.  a shopkeeper earned rs. 504 in 12 days. his average income for the first four days was rs. 40 a day. his average income for the remaining days is?
  1.    43 Rs.
  2.    44 Rs.
  3.    45 Rs.
  4.    46 Rs.
 Discuss Question
Answer: Option A. -> 43 Rs.
Explanation :
Question 120.  a ship sails out to a mark at the rate of 15 kmph. and sails back at the rate of 10 kmph. the average rate of sailing is ?
  1.    12 km/hr
  2.    22 km/hr
  3.    33 km/hr
  4.    44 km/hr
 Discuss Question
Answer: Option A. -> 12 km/hr
Explanation :

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