Asha's monthly income is 60\% of Deepak's monthly income and 120\% of Maya's monthly income. What is Maya's monthly income if Deepak's monthly income is ₹ 78000? (NABARD, 2009)
(a)₹ 36000
(b)₹ 39000
(c)₹ 42000
(d)Cannot be determined
(e)None of these
Answer
Answer (as printed): B
Explanation
Asha's monthly income = 60\% of ₹ 78000 $$=₹\left(\frac{60}{100} \times 78000\right)=₹ 46800 .$$ Let Maya's monthly income be ₹ $x$. Then, $120 \%$ of $x=46800 \Rightarrow x=\left(\frac{46800 \times 100}{120}\right)=39000$.
Explanation as extracted from the printed page; notation may be imperfect.