allery70, 40 ਦੇ ਇੱਕ ਸਮੂਹ ਵਿੱਚ P ਮੈਗਜ਼ੀਨ ਪੜ੍ਹਿਆ, 30 ਮੈਗਜ਼ੀਨ Q ਪੜ੍ਹਿਆ ਅਤੇ 10 ਦੋਵੇਂ ਪੜ੍ਹੇ। ਕਿੰਨੇ ਨੇ ਬਿਲਕੁਲ ਇੱਕ ਪੜ੍ਹਿਆ?
A55
B50
C40
D45
Answer & Solution
Correct answer: B. 50
ਬਿਲਕੁਲ ਇੱਕ = (40 - 10) + (30 - 10) = 50।
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