12 च्या पहिल्या 20 विभाज्यांची सरासरी काढा: A. 124 B. 120 C. 126 D. 130

The first 20 multiples of 12 are 12 × 1, 12 × 2, …, 12 × 20. Their average = 12 × (average of 1 to 20) = 12 × 21/2 = 12 × 10.5 = 126.