Question

Two vessels X and Y of capacities one and two litres respectively are completely filled with mixtures of two chemicals A and B. The ratio by volume of the chemicals A and B in X and Y are 3:2 and 4:5 respectively. The contents of A and B are mixed and the combination is kept in a vessel C of capacity of four litres. How many litres of Chemical A should be added to the combination so as to make the ratio of A to B equal to 1:1?

1) 1/68 2)1/67 3)1/270 4)1/13

whats the detailed solution


​

Answer 1

Answer:

60cm2

Step-by-step explanation:

Area of sector when arc is given = (L x r)/2

Where L = length of arc and r = radius of the circle

Here L = 8 cm and r = 15 cm

Therefore, Area =8*15/2 = 60cm2