alleryਤਿੰਨ ਸੰਖਿਆਵਾਂ 10, x, 30 ਗਣਿਤ ਪ੍ਰਗਤੀ ਵਿੱਚ ਹਨ। x ਕੀ ਹੈ?
A15
B25
C22
D20
Answer & Solution
Correct answer: D. 20
ਗਣਿਤ ਦੀ ਪ੍ਰਗਤੀ ਵਿੱਚ ਤਿੰਨ ਦਾ ਵਿਚਕਾਰਲਾ ਪਦ ਬਾਹਰੀ ਦੋ ਦੀ ਔਸਤ ਹੈ, (10 + 30) / 2 = 20।
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