A Aur B Milkar ek kaam Ko 10 Din Mein kar sakte hain aur A Akela is kaam par 15 din Mein kar sakta hai bataiye B akeela us kaam ko kitne din Mein Karega
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A+ B ke dwara 1 din mein kiya gaya karya = 1/10 bhag
Akele A ke dwara kiya gaya 1 din mein karya = 1/15 bhag
:. B ke dwara 1 din mein kiya gaya karya = 1/10 -1/15
= 1/30
:. B ke dwara karya ko Pura Karne mein laga samay = 30 days
adarshtiwari1773:
itni der me
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