4th Class Mathematics Money Question Bank Money

  • question_answer

    Direction (Qs. 3 to 7): Consider the prices of these items below to answer questions.  

    Which of the following statement is false?

    A) Cost of (one kg apples + 2 pens) > Cost of (half kg apples + 5 pens).

    B) Cost of 5 erasers > Cost of 3 chocolates.

    C) Cost of .6 erasers > Cost of 3 chocolates.

    D) Cost of (half kg apples + 2 pen + 1 eraser) > Cost of 9 chocolates.

    Correct Answer: C

    Solution :

    Let's check options one by one: According to option first: Cost of (one kg apples + 2 pens) > Cost of (half kg apples + 5 pens) So, cost of (Rs.180+2\[\times \]Rs.8) > cost of (Rs.180/2 + 5\[\times \]Rs.8) cost of (Rs.180 +16) > cost of (Rs.90 + Rs.40) Rs.196 > Rs.130 So this statement is true. According to option second: Cost of 5 erasers > Cost of 3 chocolates We know that Cost of 2 erasers = Rs.5(given) Therefore, Cost of 1 eraser = Rs.5/2 = Rs.2.50 Cost of 3 chocolates = Rs.15 (given) So, 5\[\times \]Rs.2.50 > Rs.15 Rs.12.50 > Rs.15 So this statement is true. According to option third: Cost of 6 erasers > Cost of 3 chocolates. We know that cost of 1 erasers Rs.2.50 and cost of 3 chocolates Rs.15 So, 6\[\times \]Rs.2.50 > Rs.5 Rs.15 > Rs.15 Therefore, this statement is false. According to option forth; Cost of (half kg apples + 2 pen + 1 eraser) > Cost of 9 chocolates. Cost of 1 kg apples = Rs.180 (given) Therefore, Cost of half kg apples= Rs.180/2 = Rs.90 Cost of 1 pen = Rs.8 (given) Therefore, Cost of 2 pen = 2\[\times \]Rs.8 = Rs.16 Cost of 2 erasers = Rs.5 (given) Therefore. Cost of 1 eraser = Rs.5/2 = Rs.2.50 Cost of 3 chocolates = Rs.15 (given) Therefore, cost of 1 chocolate =Rs.15/3 = Rs.5 And Cost of 9 chocolate =9\[\times \]Rs.5 = Rs.45 Put all these value in the given statement So, Cost of (Rs.90 + Rs.16 + Rs.2.50) > Cost of (Rs.45) Rs.108.50 > Rs.45 Therefore, this statement is true.


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