allery156, 312 અને 195 નો ગુ.સા.અ. છે:
A3
B39
C78
D13
Answer & Solution
Correct answer: B. 39
1. 156 = 2^2 x 3 x 13, 312 = 2^3 x 3 x 13, 195 = 3 x 5 x 13.
2. સામાન્ય અવયવ 3 અને 13 છે.
3. ગુ.સા.અ. = 3 x 13 = 39.
_સ્ત્રોત: RRB ગ્રૂપ D CEN-02/2018 PYQ, પ્રશ્ન 64._
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