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broall
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subhash29
Ans: A
Becoz write down numbers from 2 to 9 and multiply it by 7. This numbers will be below 49.
If you take above 9 this numbers will be greater than 49.
If you take the negative integers you will get negative numbers in the intervals which is not true.

Sent from my A0001 using GMAT Club Forum mobile app

Neither 2 nor 9 satisfies the given inequality. The correct answer is B, not A. For OA you can check OA spoiler in the original post. You can also check the post above yours for correct solution.
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Yeah, that's correct.
Thnx a lot bunuel

Sent from my A0001 using GMAT Club Forum mobile app
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nguyendinhtuong
How many integers k are there such that \(1<7k-14<49\) ?

A. 7
B. 6
C. 5
D. 4
E. 3

We can simplify the given inequality.

1 < 7k - 14 < 49

15 < 7k < 63

15/7 < k < 63/7

2 1/7 < k < 9

Thus, k can be 3, 4, 5, 6, 7, or 8.

Answer: B
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broall
How many integers k are there such that \(1<7k-14<49\) ?

A. 7
B. 6
C. 5
D. 4
E. 3

Source: GMAT Free

Video Explanation



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broall
How many integers k are there such that \(1<7k-14<49\) ?

A. 7
B. 6
C. 5
D. 4
E. 3

Source: GMAT Free

How many integers k are there such that \(1<7k-14<49\) ?
15<7k<63
\(2 \frac{1}{15}<k<9\)
k = {3,4,5,6,7,8}

IMO B
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broall
How many integers k are there such that \(1<7k-14<49\) ?

A. 7
B. 6
C. 5
D. 4
E. 3

Source: GMAT Free
\(1<7k-14<49\)

Or, \(15<7k<63\)

Or, \(2.xx<k<9\)

SO, k can take the following values , 3 , 4 , 5 , 6 , 7 , 8 , Thus Answer must be (B) 6
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