Ex.2. A, B and C started a business...
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Ex.2. A, B and C started a business by investing 40500, 45000 and 360000 respectively. Af- ter 6 months C withdrew 15000 while A in- vested 4500 more. In annual profit of 56100, the share of C will exceed that of A by (1) 900 (2) 1100 (3) 3000 (4) 3900

11th - 12th Class
Maths
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Sol. (4) Ratio of equivalent capitals of ( mathrm{A}, mathrm{B} ) and ( mathrm{C} ) for 1 month ( =(40500 times 6+45000 times 6):(45000 times 12):(60000 ) ( times 6+45000 times 6) ) ( =(405+450):(450 times 2):(600+450) ) ( =855: 900: 1050 ) ( =171: 180: 210=57: 60: 70 ) Sum the ratios ( =57+60+70=187 ) ( therefore ) Required difference ( =frac{70-57}{187} times 56100 ) ( =frac{13}{187} times 56100=₹ 3900 )
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