Answers

2015-10-20T09:53:45+05:30
6×20÷100=1.2 4×60÷100=2.4 adding both 2.4+1.2=3.6 conc.=3.6×100÷10=36%
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2015-10-26T14:39:36+05:30
First take the first one
6x20/100=1.2
now take the second one
4x60/100=2.4
add both
it will give u
1.2+2.4=3.6
therefore it is option d) 36%
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