In what ratio must rice at Rs 9.30 per Kg be mixed with rice at Rs 10.80 per Kg so that the mixture be worth Rs 10 per Kg? Choose the most appropriate option:  A) 5:7  B) 8:7  C) 7:3  D) 3:8  E) 4:7
Cost of 1 kg of 1st kind=930 P   Cost of 1 kg of 2nd kind=1080 P   Mean Price=1000 P   Cost of 1 kg of 1st kind - Mean Price=1000-930= 
<gadget id="calculator">1000-930</gadget>
<output>70</output>
70   Cost of 1 kg of 2nd kind- Mean Price=1080-1000= 
<gadget id="calculator">1080-1000</gadget>
<output>80</output>
80   Required ratio= 80 : 70 = 8 : 7   Answer:8:7
<result>B</result>
In what ratio must rice at Rs 9.30 per Kg be mixed with rice at Rs 10.80 per Kg so that the mixture be worth Rs 10 per Kg?