How many litres of milk with 24% concentration are to be mixed with 18 litres with 72% concentration to get a mixture with 36% concentration?
A56
B54
C52
D48
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The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?
ഒരു അധിവർഷത്തിൽ 53 ഞായറാഴ്ചകൾ ഉണ്ടാകാനുള്ള സാധ്യത എത്രയാണ്?
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1/3A=1/4B=1/5C ആയാൽ A:B:C എത്ര?
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