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प्रश्न
Which one of the following is using secondary using cells?
पर्याय
Hand watch
Robo toy
Laptop
None of these
MCQ
उत्तर
Laptop
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
Which one of the following is using secondary using cells?
Hand watch
Robo toy
Laptop
None of these
Laptop