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Q1
:
The sum of the two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers ?
A
1
35
B
12
35
C
35
8
D
7
32
Solution
ANS:
A
-
12
35
Let the numbers be
a
and
b
. Then,
a
+
b
= 12 and
ab
= 35.
a
+
b
=
12
1
+
1
=
12
ab
35
b
a
35
Sum of reciprocals of given numbers =
12
35
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