Remu sells medical face masks. He travels, stops at doorsteps and cries, “face-masks.” Please open doors and buy face-masks from you. Some people buy only one, some people buy five, some people buy many. A face mask costs 10 bucks and now Remu has 30 masks in his bag.
Now, let’s play the quiz. You have to calculate how many masks are left in Remu’s bag.
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Question of
Remu has just sold 3 masks at house number 334. How many masks are there in his bag now?
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30
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25
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27
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Question of
Remu has just sold 4 masks at house number 335. How many masks are there in his bag now?
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23
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24
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21
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Question of
He sold 2 masks at house number 336. How many masks are there in his bag now?
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20
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21
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18
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Question of
At room number 337, he sold 5 masks. how many masks are there in his bag now?
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16
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19
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12
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Question of
At room number 338, no one bought. How many masks are there in his bag now?
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9
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16
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20
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-
Question of
At room number 339 he sold 1 mask. How many masks are there in his bag now?
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15
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17
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13
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-
Question of
At room number 340, he sold 3 masks. How many masks are there in his bag now?
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20
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12
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18
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Question of
At room number 341, he sold 4 masks. How many masks are there in his bag now?
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8
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2
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5
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Question of
At room number 342, he sold 3 masks. How many masks are there in his bag now?
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4
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5
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7
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7
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Question of
At room number 343, he sold 5 masks. How many masks are there in his bag now?
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5
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21
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None
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