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7th Grade > Mathematics

DIRECT AND INVERSE PROPORTIONS MCQs

Total Questions : 21 | Page 2 of 3 pages
Question 11. X : y for 5x = 7y is
  1.    7:05
  2.    5:07
  3.    6:01
  4.    7:01
 Discuss Question
Answer: Option A. -> 7:05
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 12. 5 men paint 2 houses in 3 days, 10 men paint 8 houses in
  1.    5 days
  2.    6 days
  3.    2 days
  4.    7 days
 Discuss Question
Answer: Option B. -> 6 days
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 13. 10 identical pipes fill water tank in 4h, 8 pipes fill the same tank in
  1.    6h
  2.    7h
  3.    5h
  4.    4h
 Discuss Question
Answer: Option C. -> 5h
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 14. If 6kg biscuits costs $27 then the cost of 13kg of biscuits will be
  1.    60$
  2.    58.50$
  3.    56$
  4.    35$
 Discuss Question
Answer: Option B. -> 58.50$
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 15. Y = 5x³ the two variables are
  1.    directly related
  2.    inversely related
  3.    not related
  4.    None of above
 Discuss Question
Answer: Option A. -> directly related
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 16. If the mass of 108 books is 30kg then mass of 150 books is
  1.    27.33
  2.    23.4
  3.    45.67
  4.    26.8
 Discuss Question
Answer: Option A. -> 27.33
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 17. For y = 21 and k = 3, value of x is
  1.    5
  2.    22
  3.    23
  4.    21
 Discuss Question
Answer: Option D. -> 21
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 18. If 6 books costs $48, then the cost of 8 books will be
  1.    $65
  2.    $64
  3.    $66
  4.    $68
 Discuss Question
Answer: Option B. -> $64
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 19. Y is inversely proportional to x, y = 3 when x = 4, value of y when x = 6 is
  1.    2
  2.    6
  3.    8
  4.    10
 Discuss Question
Answer: Option A. -> 2
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 20. For y = 12 and x = 4, value of k is
  1.    6
  2.    5
  3.    3
  4.    8
 Discuss Question
Answer: Option C. -> 3
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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