IPMAT 2019 - Quantitative Aptitude Question 16
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IPMAT 2019 - Quantitative Aptitude
The equation can be rewritten as 
Now, since y is an integer, (x+1)/7 it is also an integer, which means x + 1 is a multiple of 7.
∴ Positive values of x => 6, 13, 20....97 = 14 values
Negative values of x => -1, -8, -15 ...-97 = 15 values
∴ Total = 14 + 15 = 29 values
