mahesh can do a piece of work in 30 days. he works at it for 20 days and then rajesh finished it in 30 days. how long will y take to complete the work?
Answers
A) 90	B) 25	C) 37	D) 41	E) 30
<gadget id="calculator">1 / 30</gadget>
<output>1/30 = around 0.033333</output>

<gadget id="calculator">20 * (1/30)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) / 30</gadget>
<output>1/90 = around 0.011111</output>

<gadget id="calculator">1 / (1/90)</gadget>
<output>90</output>

<result>A</result>
mahesh can do a piece of work in 30 days. he works at it for 20 days and then rajesh finished it in 30 days. how long will y take to complete the work?
divide(const_1, divide(subtract(const_1, multiply(20, divide(const_1, 30))), 30))
"work done by mahesh in 30 days = 20 * 1 / 30 = 2 / 3 remaining work = 1 - 2 / 3 = 1 / 3 1 / 3 work is done by rajesh in 30 days whole work will be done by rajesh is 30 * 3 = 90 days answer is a"