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7th Grade > Mathematics

MATHS PROBLEMS MCQs

Total Questions : 33 | Page 3 of 4 pages
Question 21. The probability of getting a red ace if a card is drawn at random from pack of 52 cards is
  1.    1⁄52
  2.    1⁄26
  3.    1⁄13
  4.    1
 Discuss Question
Answer: Option B. -> 1⁄26
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 22. The probability of getting an even number if a card is drawn from a box containing 12 identical cards numbered 1, 2, 3, ......,12 is
  1.    1⁄2
  2.    1⁄5
  3.    2⁄5
  4.    None of above
 Discuss Question
Answer: Option A. -> 1⁄2
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 23. Solving the equations 3x - 2y = 13, 2x + 2y = 0 using graphical method gives us
  1.    x = 5, y = 0
  2.    x = 4, y = 14
  3.    x = 2.6, y = -2.6
  4.    None of above
 Discuss Question
Answer: Option C. -> x = 2.6, y = -2.6
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 24. If the mean of 6 numbers is 17 then the sum of numbers is
  1.    102
  2.    103
  3.    150
  4.    120
 Discuss Question
Answer: Option A. -> 102
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 25. Each side of square field ABCD is 50m long, the length of diagonal field is
  1.    70.7m
  2.    50.5m
  3.    23m
  4.    45m
 Discuss Question
Answer: Option A. -> 70.7m
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 26. The median of following set of numbers is: 12, 15, 15, 17, 20, 25, 32, 32
  1.    17
  2.    18.5
  3.    20
  4.    32
 Discuss Question
Answer: Option B. -> 18.5
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 27. Solving the following simultaneous equations, 4x - 5y = 17 and x - 5y = 8, we get
  1.    x = 3, y = -1
  2.    x = 2, y = 3
  3.    x = 4, y = 1
  4.    x = 5, y = 4
 Discuss Question
Answer: Option A. -> x = 3, y = -1
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 28. If the lengths of 10 terrapins are 63, 63, 75, 67, 69, 52, 50, 63, 56, 52 then mode is
  1.    67
  2.    63
  3.    50
  4.    56
 Discuss Question
Answer: Option B. -> 63
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 29. Solving the equations 4x + y = 2, 4x + y = -3 using graphical method yields
  1.    No solutions
  2.    x = 3, y = 2
  3.    x = 4, y = 5
  4.    x = 6, y = 8
 Discuss Question
Answer: Option A. -> No solutions
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 30. Solving the equations (x + y)⁄3 = 3 and (3x + y)⁄5 = 1 gives
  1.    x = -2, y = 11
  2.    x = 11, y = -2
  3.    x = 13, y = 2
  4.    x = 19, y = 14
 Discuss Question
Answer: Option A. -> x = -2, y = 11
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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