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Decimals and Fractions Practice Test 1
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© examsnet.com
Question : 14
Total: 40
If
47.2506
=
4
A
+
7
B
+
2
C
+
5
D
+
6
E
, then the value of 5A + 3B + 6C + D + 3E is
213.0003
153.6003
53.603
53.6003
Validate
Solution:
👈: Video Solution
Here,
47.2506
=
4
A
+
7
B
+
2
C
+
5
D
+
6
E
...(i)
But, 47.2506 = 40 + 7 + 0.2 + 0.05 + 0.0006 ...(ii)
By comparing (i) and (ii), we get
4
A
=
40
⇒
A
=
10
;
7
B
=
7
⇒
B
=
1
;
2
C
=
0.2
⇒
C
=
0.1
5
D
=
0.05
⇒
D
=
100
;
6
E
=
0.0006
⇒
E
=
0.0001
Now,
5
A
+
3
B
+
6
C
+
D
+
3
E
= 5 × 10 + 3 × 1 + 6 × 0.1 + 100 + 3 × 0.0001
= 50 + 3 + 0.6 + 100 + 0.0003 = 153.6003
© examsnet.com
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