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Problems based on Numbers Test 1
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© examsnet.com
Question : 13
Total: 40
The product of two consecutive even number is 5328. What is the smaller number?
70
68
74
72
Validate
Solution:
👈: Video Solution
Let the two consecutive even numbers are x and (x + 2)
Then,
x
(
x
+
2
)
=
5328
⇒
x
2
+
2
x
−
5328
=
0
⇒
x
2
+
74
x
−
72
x
−
5328
⇒
x
(
x
+
74
)
−
72
(
x
+
74
)
=
0
⇒
(
x
−
72
)
(
x
+
74
)
=
0
⇒
x
=
72
(Taking positive value only)
Hence, smaller number = 72
© examsnet.com
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