If the number of calories burned by A and B increased by 10% and 20% respectively from Friday to Saturday, what was the total number of calories burned by them together on Saturday

What is the respective ratio of total number of calories burned by A and B together on Wednesday and that by the same individual together on Tuesday

The respective ratio between the monthly salaries of Rene and Som is 5 : 3. Out of her monthly salary Rene gives 1/6th as rent, 1/5th to her month, 30% as her education loan and keeps 25% aside for miscellaneous expenditure. Remaining INR 5000/- she keeps as savings. What is Som's monthly salary

I. 3x²-13x-10=0

II. 3y²+10y-8=0

I. 12x²+7x+1=0

II. 6y²+5y+1=0

I. 25x²+35x+12=0

II. 10y²+9y+2=0