alleryબંને છેડાથી સંખ્યાઓની જોડી બનાવીને, 1 + 2 + 3 + ... + 100 નો સરવાળો કેટલો થાય?
A5000
B5100
C5151
D5050
Answer & Solution
Correct answer: D. 5050
50 જોડીઓ છે, જેમાં દરેકનો સરવાળો 101 થાય છે, તેથી કુલ સરવાળો 50 x 101 = 5050 છે.
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