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Ques:- The cost of Type 1 rice is Rs. 15 per kg and Type 2 rice is Rs. 20 per kg. if both Type I and Type 2 are mixed in the ratio of 2 : 3, then the price per kg of the mixed variety of rice is
A. Rs. 18
B. Rs. 18.50
C. Rs. 19
D. Rs. 19.50
Ques:- One quality of wheat at Rs. 9.30 per kg is mixed with another quality at a certain rate in the ratio 8 : 7. If the mixture so formed be worth Rs. 10 per kg. What is the rate per kg of the second quality of wheat?
A. Rs. 10.30
B. Rs. 10.60
C. Rs. 10.80
D. Rs. 11
Ques:- a merchant surveyed 400 ppl.180 learned abt the sale of radio,190 from TV,190 from newspaper,80 from radio and TV,90 from radio and newspapers,50 from TV and newspapers,30 from all the three sources.draw a venn diagram n explain how many learnt
A. newspapers or radio, but not from both?
B. only from newspapaers?
C. from radio or television but not the newspaper?
D. from radio and television but not the newspaper?
E. from atleast two of the three media?
Ques:- A 5 litre jug contains 4 litres of a salt water solution that is 15 percent salt. If 1.5 litres of the solution spills out of the jug, and the jug is then filled to capacity with water, approximately what percent of the resulting solution in the jug is salt?
A. 7.5%
B. 9.5%
C. 10.5%
D. none