A alone can finish a work in 10 days which B alone can finish in 15 days. If they work together and finish it, then out of a total wages of Rs.3500, A will get:  Pick one:  A) Rs.1200  B) Rs.1500  C) Rs. 2100  D) Rs.2000  E) None of these
Explanation:   Ratio of working days of A : B = 10 : 15   Therefore, their wages ratio = reverse ratio = 15 : 10   Therefore, A will get 15 units of ratio   Total ratio = 25   1 unit of ratio =3500/25= 
<gadget id="calculator">3500/25</gadget>
<output>140</output>
140   So, A’s amount= 120 × 15 = Rs.2100.   Answer: Option Rs. 2100
<result>C</result>
A alone can finish a work in 10 days which B alone can finish in 15 days. If they work together and finish it, then out of a total wages of Rs.3500, A will get: