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25. If a and b are mixed in 3:5 ratio and b,c are mixed in 8:5 ratio if the final mixture is 35 liters, find the amount of b in the final mixture.?

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a:b=3:5 , b:c=8:5
so a:b:c=24:40:25
so amount of b= 40*35/89=15.73 litres
11 years agoHelpfull: Yes(9) No(0)

a:b=3:5 & b:c=8:5
& a+b+c=35;
then
3b/5+b+8c/5=35;
12b/5=35;
b=35*5/12 =near about 15
11 years agoHelpfull: Yes(6) No(4)

TCS Other Question

24. The age of two people is in the ratio 6:8, the sum of their ages is 77 after 2 years the ratio of their ages becomes 5:7, what is their present age? 28. 5,9,12,18,26,36,47,72,……? .Here odd terms have difference as multiples of 7 and even terms adds with themselves to form the next number.