Mathematics, 17.01.2021 16:00, alex1975

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11. If a, b and care numbers such that a:b:c=2:3:5 and b= 30 then, find the
sum of a+b+c?
a. 50
b. 60
d. 100
12. If A:B = 7:8 an B:C =12:7,find A:C in its simplest form.
a. 2:3
b. 3:2
d. 4:5
c. 90
c. 19:6
6
4d-m
M+2n
7
3
C.
a.
3
3
13. Three members d, m, n are in the ratio 3:6:4. Find the value of
b.
d.
14. The ratio of the number of pigs to the anumber of horse in a farm is
2 to 3. If there are 24 horses, what is the number of pigs?
a. 72
b. 48
d. 16
15. (x+4), (x+12), (x-1) and (x+5) are, in proportion. Find the value of x.
b. 12
c. 36
d.. 20
c. 16
a. 15
111

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D.9% C.7%
11. If a, b and care numbers such that a:b:c=2:3:5 and b= 30 then, find the
sum...