Tea worth Rs. 126 per kg and Rs. 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2. If the mixture is worth Rs. 153 per kg. What will be the price of the third variety per kg ?
T1=Rs 126/kg T2=Rs 135/kg T3=Rs x /kg T=Rs153/kg T1:T2:T3=1:!:2=1+!+2=4parts=T (1*126)+(1*135)+(2*x)=4*153 x=175.5/kg=T3 Third variety of Tea is Rs 175.5/kg
let third variety be Rs X /kg
so, A/Q 126*1+135*1+X*2=4*153 2X=612-261 X=351 X=175.5
Wheat costing Rs. 42 and Rs. 36 per kg is mixed with third variety in the ratio 3:4:5. If this mixture cost Rs. 46.5 per kg, then what is the per kg price of wheat of the third variety?
The cost (per kg) of 3 qualities of rice are 45, 42 and 35 respectively. What will be the cost (per kg) of a mixture of 10 kg of first, 8 kg of second and 7 kg of third?
How many kg of salt at 25 paise per kg must be mixed with 50 kg of salt costing 42 paise per kg so that a merchant will get a profit of 30% by selling the mixture at 39 paise per kg?
How many kilogram of sugar costing Rs. 9 per kg must be mixed with 27 kg of sugar costing Rs. 7 per kg so that there may be a gain of 10% by selling the mixture at Rs. 9.24 per kg?
