1.

a contractor estimates that's 16 man can renovated house in 35 days if he use only 10 men's how long will they take to finish the same work​

Answer»

Step-by-step explanation:

nth term of an A.P (an) = pn + Q

To find: Common Difference (d)

Proof: We KNOW that,

an = a + (N1)d

⇒ pn + q = a + (n – 1)d [given]

⇒ pn + q – a = (n – 1)d



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