alleryએક શબ્દમાં 4 અલગ-અલગ અક્ષરો છે. તેના તમામ અક્ષરોની કેટલી ગોઠવણીઓ શક્ય છે?
A16
B24
C12
D48
Answer & Solution
Correct answer: B. 24
4 અલગ-અલગ અક્ષરોને 4 x 3 x 2 x 1 = 24 રીતે ગોઠવી શકાય છે.
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