allery14, 42 અને 77 નો લઘુત્તમ સામાન્ય અવયવી (LCM) છે:
A308
B462
C154
D168
Answer & Solution
Correct answer: B. 462
1. અવિભાજ્ય અવયવીકરણ: 14 = 2×7, 42 = 2×3×7, 77 = 7×11.
2. LCM દરેક અવિભાજ્યની સૌથી મોટી ઘાત લે છે: 2 × 3 × 7 × 11.
3. = 462.
_સ્ત્રોત: RRB Group D CEN-02/2018 PYQ, Q.8._
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