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प्रश्न
Find the value of 6m − 2n − 5p − 3q, when m = 20, n = 10, p = 2 and q = 9
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उत्तर
6m − 2n − 5p − 3q
= 6 × 20 − 2 × 10 − 5 × 2 − 3 × 9
= 120 − 20 − 10 − 27
= 120 − 57
= 63
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