if a lends rs. 1200 to b at 10 % per annum and b lends the same sum to c at 18 % per annum then the gain of b in a period of 2 years is? Choose the correct choice from the following options
A) 190
B) 188
C) 192
D) 145
E) 188
<gadget id="calculator">1_200 * 18</gadget>
<output>21_600</output>

<gadget id="calculator">21_600 * 2</gadget>
<output>43_200</output>

<gadget id="calculator">43_200 / 100</gadget>
<output>432</output>

<gadget id="calculator">1_200 * 10</gadget>
<output>12_000</output>

<gadget id="calculator">12_000 * 2</gadget>
<output>24_000</output>

<gadget id="calculator">24_000 / 100</gadget>
<output>240</output>

<gadget id="calculator">432 - 240</gadget>
<output>192</output>

<result>C</result>
if a lends rs. 1200 to b at 10 % per annum and b lends the same sum to c at 18 % per annum then the gain of b in a period of 2 years is?
subtract(divide(multiply(multiply(1200, 18), 2), const_100), divide(multiply(multiply(1200, 10), 2), const_100))
"( 1200 * 8 * 2 ) / 100 = > 192 answer : c"