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If one note b...

Question

If one note book costs ₹15, one pen costs ₹ 9, and one pencil costs ₹5, then find the total cost of 5 notebooks, 6 pens and 4 pencils.

₹133

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₹154

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₹163

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₹149

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Solution

The correct option is D ₹149
$Cost of one note book = ₹ 15 Cost of 5 note books = 5 \times ₹ 15 = ₹ 75.$

$Cost of one pen = ₹ 9 Cost of 6 pens = 6 \times ₹ 9 = ₹ 54 .$

$Cost of one pencil = ₹ 5 Cost of 4 pencils = 4 \times ₹ 5 = ₹ 20.$

$Total cost = ₹ 75 + ₹ 54 + ₹ 20 = ₹ 149$

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If one note book costs ₹15, one pen costs ₹ 9, and one pencil costs ₹5, then find the total cost of 5 notebooks, 6 pens and 4 pencils.

The correct option is D ₹149Cost of one note book =₹15Cost of 5 note books =5×₹15=₹75. Cost of one pen =₹9Cost of 6 pens =6×₹9=₹54. Cost of one pencil =₹5Cost of 4 pencils =4×₹5=₹20. Total cost =₹75+₹54+₹20=₹149