The value of m, if 3, 18, m, 42 are in proportion is:
a. 6;
b. 54;
c. 7;
d. none of these
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7
Answer:
C) 7
Step-by-step explanation:
In the first ratio- 3:18
The relation is that 3×6=18
In the second ratio- m:42
The relation should also be m×6=42
Therefore, m=42÷6
m=7
M = 7
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