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Question
The cost of 50 new bricks is ₹1500 while the cost of 100 old bricks is ₹1000. The difference in cost for a single brick is ₹____.
The cost of 50 new bricks is ₹1500 while the cost of 100 old bricks is ₹1000. The difference in cost for a single brick is ₹____.
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Solution
The correct option is D
20
Cost 50 new bricks = ₹1500
Cost of one new brick = ₹1500 / 50 = ₹30
Cost 100 old bricks = ₹1000
Cost of one old brick = ₹1000 / 100 = ₹10
Cost difference in both the bricks = ₹30 - ₹10 = ₹20
20
Cost 50 new bricks = ₹1500
Cost of one new brick = ₹1500 / 50 = ₹30
Cost 100 old bricks = ₹1000
Cost of one old brick = ₹1000 / 100 = ₹10
Cost difference in both the bricks = ₹30 - ₹10 = ₹20
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