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प्रश्न
Which of the following expressions is equal to −30
पर्याय
−20 – (−5 × 2)
(6 × 10) – (6 × 5)
(2 × 5) + (4 × 5)
(−6) × (+5)
MCQ
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उत्तर
(– 6) × (+5)
Explanation;
Hint:
(i) – 20 + (10) = –10
(ii) 60 – 30 = 30
(iii) 10 + 20 = 30
(iv) (– 6) × (+5) = – 30
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Match the following:
| Column I | Column II |
| (a) a × 1 | (i) Additive inverse of a |
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| (c) (–a) ÷ (–b) | (iii) Multiplicative identity |
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| (g) 0 | (vii) –a |
| (h) a ÷ (–a) | (viii) 0 |
| (i) –a | (ix) –1 |
