alleryਇੱਕ ਮੁੰਡਾ ਸੋਮਵਾਰ ਨੂੰ ਇੱਕ ਕਿਤਾਬ ਦਾ 2/9 ਅਤੇ ਮੰਗਲਵਾਰ ਨੂੰ 1/3 ਪੜ੍ਹਦਾ ਹੈ, 80 ਪੰਨੇ ਛੱਡਦਾ ਹੈ। ਕਿਤਾਬ ਕਿੰਨੀ ਲੰਬੀ ਹੈ?
A200
B180
C160
D144
Answer & Solution
Correct answer: B. 180
ਉਹ 2/9 + 3/9 = 5/9 ਪੜ੍ਹਦਾ ਹੈ, ਇਸ ਲਈ 4/9 ਬਚਿਆ ਹੈ; ਜੇਕਰ 4/9 80 ਹੈ, ਤਾਂ ਕਿਤਾਬ ਵਿੱਚ 180 ਪੰਨੇ ਹਨ।
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