Rs.1210 were divided among A,B,C so that A : B = 5 : 4 and B : C = 9 : 10.Then,C gets :
Pick one:
A) Rs.340
B) Rs.400
C) Rs.450
D) Rs.475
E) None
Solution   A : B = 5 : 4, B : C = 9 : 10 =(9x4/9) :(10x4/90 = 4 : 40/9   ∴ A : B : C = 5 : 4 : 40/9 = 45 : 36 : 40 .   Sum of ratio terms =(45+36+40)= 
<gadget id="calculator">(45+36+40)</gadget>
<output>121</output>
121   ∴ C’s share= Rs.(1210x40/121)= Rs. 400.   Answer Rs.400
<result>B</result>
Rs.1210 were divided among A,B,C so that A : B = 5 : 4 and B : C = 9 : 10.Then,C gets :