Which number is divisible by both 3 and 7? EASY 1 Point -0.25 Negative MCQ #1403 Arithmetic Mathematics Federal NTS Question Which number is divisible by both 3 and 7? Options A 18 B 21 C 25 D 28 Reveal Answer Reset 📝 Explanation 21 ÷ 3 = 7 ✓ and 21 ÷ 7 = 3 ✓. 21 is the LCM of 3 and 7 and is divisible by both. ← Previous MCQ📋 All MCQs📚 LearnNext MCQ → Related MCQs EASY What is 2³ × 2² ? MEDIUM A number when divided by 6 leaves remainder 3. Which could be the number? EASY If a = 3 and b = -2, value of a² + b² is