MCQ
The common factor of $10ab, 30bc, 50ca$ is:
- ✓$10$
- B$30$
- C$50$
- D$abc$
✓
Answer
Correct option: A.
$10$
$10ab = 2 \times 5 \times a \times b$
$30bc = 2 \times 3 \times 5 \times b \times c$
$50ca = 2 \times 5 \times 5 \times c \times a$
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