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Quantitative Aptitude

QUANTITATIVE APTITUDE MIXED MCQs

Total Questions : 82 | Page 7 of 9 pages
Question 61. If the average (arithmetic mean) of a series of numbers is 20 and their sum is 160, how many numbers are in the series?
  1.    8
  2.    16
  3.    32
  4.    48
  5.    80
 Discuss Question
Answer: Option A. -> 8
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 62. If the result of squaring a number is less than the number, the number is
  1.    Negative And Greater Than -1.
  2.    Negative And Less Than -1.
  3.    A Positive Fraction Greater Than 1.
  4.    Positive And Less Than 1.
  5.    1 And Only 1.
 Discuss Question
Answer: Option D. -> Positive And Less Than 1.
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 63. How many of the numbers between 100 and 300 begin or end with 2?
  1.    20
  2.    40
  3.    100
  4.    110
  5.    180
 Discuss Question
Answer: Option D. -> 110
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 64. In how many different ways can 6 books be arranged on a shelf if one of the books, book X, has to be first?
  1.    120
  2.    640
  3.    720
  4.    3125
  5.    7,776
 Discuss Question
Answer: Option A. -> 120
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 65. 0.03% × 0.21 =
  1.    0.63
  2.    0.063
  3.    0.0063
  4.    0.00063
  5.    0.000063
 Discuss Question
Answer: Option E. -> 0.000063
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 66. If the base of a rectangle is increased by 30% and the altitude is decreased by 20% the area is increased by
  1.    4%
  2.    5%
  3.    10%
  4.    25%
  5.    104%
 Discuss Question
Answer: Option A. -> 4%
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 67. Which of the following is a solution of the equation 3|x| + 5 = 23?
  1.    -6
  2.    -4
  3.    28.23
  4.    15
  5.    The Equation Has No Solution
 Discuss Question
Answer: Option A. -> -6
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 68. If k is an integer and 0.0010101 × 10k (k is the power of 10) is greater than 1,000, what is the least possible value of k?
  1.    2
  2.    3
  3.    4
  4.    5
  5.    6
 Discuss Question
Answer: Option E. -> 6
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 69. In a weight-lifting competition, the total weight of Noni’s two lifts was 750 pounds. If twice the weight of his first lift was 300 pounds more than the weight of his second lift, what was the weight, in pounds, of his first lift?
  1.    225
  2.    275
  3.    325
  4.    350
  5.    400
 Discuss Question
Answer: Option D. -> 350
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 70. Elena purchased brand X pens for $4.00 a piece and brand Y pens for $2.80 a piece. If Elena purchased a total of 12 of these pens for $42.00, how many brand X pens did she purchase?
  1.    4
  2.    5
  3.    6
  4.    7
  5.    8
 Discuss Question
Answer: Option D. -> 7
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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