alleryਇੱਕ 40 ਕਿਲੋਗ੍ਰਾਮ ਮਿਸ਼ਰਣ ਵਿੱਚ A, B, C, D ਅਨੁਪਾਤ 5 : 9 : 4 : 2 ਹੁੰਦਾ ਹੈ। B ਦੀ ਮਾਤਰਾ ਹੈ
A16 kg
B18 kg
C20 kg
D9 kg
Answer & Solution
Correct answer: B. 18 kg
20 ਹਿੱਸਿਆਂ ਦਾ ਭਾਰ 40 ਕਿਲੋਗ੍ਰਾਮ ਹੈ, ਇਸ ਲਈ ਇੱਕ ਹਿੱਸਾ 2 ਕਿਲੋਗ੍ਰਾਮ ਹੈ ਅਤੇ B 9 x 2 = 18 ਕਿਲੋਗ੍ਰਾਮ ਹੈ।
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