allery2 થી પ્રારંભ કરો; વૈકલ્પિક ×2+a, પછી ×3−b, a,b દરેક 1–4 સાથે. બરાબર એક અન્ય શબ્દ ખોટો છે:2,8,19,41,121,245. તેની બદલી?
A6
B8
C9
D7
Answer & Solution
Correct answer: D. 7
માત્ર a=3,b=2 2,7,19,41,121,245 આપીને, એક શબ્દ સિવાય તમામને બંધબેસે છે.
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