Question

( s rightarrow ) price of sugar per ( k g ) ( R rightarrow ) price of sice per kg
[
begin{array}{c}
12 S=6 R
frac{R=2 S}{10}
10 S+8 R=1040
10 S+8(2 S)=1040
10 S+16 S=1040
26 S=1040
1 S=740
end{array}
]

# 22. The price of 12 kg of sugar is ea to that of 6 kg of rice. The price 10 kg of sugar and 8 kg of rice 1040. Find the price 1 kg of sugar RRB NTPC (Phase I) 2016 (1) 80 (2) 70 (3) 60 (4) 40

Solution