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Byju's Answer
Standard VI
Mathematics
Proportions
Which of the ...
Question
Which of the following proportion is true?
A
15:8::2:3
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B
4:8:: 5:12
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C
10:45:: 8:30
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D
27:18:: 3:2
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Solution
The correct option is
D
27:18:: 3:2
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Similar questions
Q.
Find producer's equilibrium from the following table given below:
Quantity Sold
(Units)
Total Revenue
(Rs.)
Marginal Cost
(Rs.)
1
9
15
2
18
8
3
27
9
4
36
10
5
45
11
Q.
Simplify:
(i)
11
12
÷
(
5
9
×
18
25
)
(ii)
(
2
1
2
×
8
10
)
÷
(
1
1
2
+
5
8
)
(iii)
15
16
of
(
5
6
−
1
2
)
÷
10
11
(iv)
9
8
÷
3
5
of
(
3
4
+
3
5
)
(v)
2
5
÷
{
1
5
o
f
[
3
4
−
1
2
]
−
1
}
(vi)
(
1
3
4
×
3
1
7
)
−
(
4
3
8
÷
5
3
5
)
Q.
Question 9
Simplify the following
(
i
)
√
45
−
3
√
20
+
4
√
5
(
i
i
)
√
24
8
+
√
54
9
(
i
i
i
)
4
√
12
×
7
√
6
(
i
v
)
4
√
28
+
3
√
7
+
3
√
7
(
v
)
3
√
3
+
2
√
27
+
7
√
3
(
v
i
)
(
√
3
−
√
2
)
2
(
v
i
i
)
4
√
81
−
8
3
√
216
+
15
5
√
32
+
√
225
(
v
i
i
i
)
3
√
8
+
1
√
2
(
i
x
)
2
√
3
3
−
√
3
6
Q.
simplify:
18
√
3
12
−
6
√
2
+
3
√
2
−
2
√
3
8
−
√
6
−
12
√
2
+
4
√
6
8
−
√
12
Q.
Simplify
(i)
10
√
2
−
2
√
2
+
4
√
32
(ii)
√
48
−
3
√
72
−
√
27
+
5
√
18
(iii)
3
√
16
+
8
3
√
54
−
3
√
128
.
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