10. A rectangular tank has length 4 m, width 12 m and height 3.5 m.
i) If the tank is filled with water to 2/3
of its capacity, calculate the volume
of the water in the tank.

112m³

Step-by-step explanation:

VOLUME=L × W × H

= 4m × 12m × 3.5m

= 168m³

THE TANK IS FILLED TO 2/3 OF IT'S CAPACITY

= 2/3 × 168

= 112m³.

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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