1.

Raju gave 2 /5 part of money to dev and 3 /10 part to salami. Now he has only 180 rs. How much rs raju had at beginning​

Answer»

Step-by-step EXPLANATION:

let \: raju \: had \: rs \: x \: in \: beginning \\ therefore \\  \frac{2}{5} x +  \frac{3}{10} x  +  180 = x \\  \frac{4x + 3x}{10}   + 180 = x \\ 7x  +  1800 = 10x \\ 1800 = 3x \\ x = 600 \\ therefore \: raju \: had \: 600  \: rupees \: initially



Discussion

No Comment Found

Related InterviewSolutions