Multiple choice

There are 100 marbles in five bags. If the first and second bags contain 52 marbles together, the second and third bags together contain 43 marbles, the third and fourth bags contain 34 marbles, and the fourth and fifth bags contain 30 marbles, how many marbles are each there in the fifth bag?

  1. 15

  2. 18

  3. 16

  4. 14
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

First bag + second bag = 52 marbles Fourth bag + fifth bag = 30 marbles Total marbles = 100 Third bag = 100 – (52 + 30) = 18 marbles Third bag + fourth bag = 34 marbles 18 + fourth bag = 34 marbles Fouth bag = 16 marbles Fourth bag + fifth bag = 30 marbles 16 + fifth bag = 30 marbles Fifth bag = 14 marbles

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