As a Christmas offer, there is a huge discount on all dishes whose costs are multiples of 5. Which of the following cost of dishes has a discount?

Cost = ₹25

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Cost = ₹34

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Cost = ₹44

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Cost = ₹24

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Solution

The correct option is A Cost = ₹25
The multiple of 5 are:
$1 \times 5 = 5$
$2 \times 5 = 10$
$3 \times 5 = 15$
$4 \times 5 = 20$
$5 \times 5 = 25$
$6 \times 5 = 30$
.
.
.

From the above, we can observe that unit digit of multiples of '5' are either 0 or 5. Hence, 25 is a multiple of 5.

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