alleryચાર પદોની શ્રેણી 7 થી શરૂ થાય છે અને દરેક પગલે 3 ઘટે છે. છેલ્લું પદ કયું છે?
A-1
B-2
C-3
D4
Answer & Solution
Correct answer: B. -2
પદો 7, 4, 1, -2 થાય છે, તેથી ચોથું પદ -2 છે.
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