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Standard VIII
Mathematics
Question
Evaluate
10
y
(
6
y
+
21
)
÷
5
(
2
y
+
7
)
6
y
36
y
y
6
A
6
y
B
36
y
C
y
D
6
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Solution
Verified by Toppr
The correct option is
B
6
y
10
y
(
6
y
+
21
)
÷
5
(
2
y
+
7
)
=
10
y
(
6
y
+
21
)
5
(
2
y
+
7
)
=
5
×
2
×
y
×
3
×
(
2
y
+
7
)
5
×
(
2
y
+
7
)
=
2
×
y
×
3
1
=
6
y
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