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03 Jun 2018, 11:55
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Difficulty:
5%
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98% (00:25) correct
2%
(01:07)
wrong
based on 62
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If the average (arithmetic mean) of two numbers is 35 and one of the numbers is k, then what is the other number in terms of k ?
A) 35 + k
B) 35 – k
C) 35 – 2k
D) 70 – k
E) 70 – 2k
A) 35 + k
B) 35 – k
C) 35 – 2k
D) 70 – k
E) 70 – 2k
03 Jun 2018, 12:11
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Bunuel
If the average (arithmetic mean) of two numbers is 35 and one of the numbers is k, then what is the other number in terms of k ?
A) 35 + k
B) 35 – k
C) 35 – 2k
D) 70 – k
E) 70 – 2k
A) 35 + k
B) 35 – k
C) 35 – 2k
D) 70 – k
E) 70 – 2k
Ans: D
given (K+x)/2=35; x= 70-K
07 Jun 2018, 14:53
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Bunuel
If the average (arithmetic mean) of two numbers is 35 and one of the numbers is k, then what is the other number in terms of k ?
A) 35 + k
B) 35 – k
C) 35 – 2k
D) 70 – k
E) 70 – 2k
A) 35 + k
B) 35 – k
C) 35 – 2k
D) 70 – k
E) 70 – 2k
The sum f the 2 numbers = average of 2 numbers *2
= 35*2
= 70
One of the number is k.
So , another one = 70-k
Thus option D is the best answer.
