SKH121 wrote:
How can I solve these types of question
Which of the following pairs of coordinates corresponds to a point in the shaded region of the graph shown above? Answer = A
(Please find figure attached)
a) (9, −7)
b) (−9, −7)
c) (9, 7)
d) (7, −9)
e) (−7, −9)
Two points..
(I) Shaded region is in the quadrant where x>0 and y<0..
so only (9,-7) and (7,-9) are left.
Now the line passes through (10,10) and (0,0), so all points on line have x=y..
the slope is lesser in the shaded region, that is above the line.. Here the value of y should be lesser than the numeric value of x without the sign..
So |9|>|-7| so A
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Some useful Theory.
1. Arithmetic and Geometric progressions : https://greprepclub.com/forum/progressions-arithmetic-geometric-and-harmonic-11574.html#p27048
2. Effect of Arithmetic Operations on fraction : https://greprepclub.com/forum/effects-of-arithmetic-operations-on-fractions-11573.html?sid=d570445335a783891cd4d48a17db9825
3. Remainders : https://greprepclub.com/forum/remainders-what-you-should-know-11524.html
4. Number properties : https://greprepclub.com/forum/number-property-all-you-require-11518.html
5. Absolute Modulus and Inequalities : https://greprepclub.com/forum/absolute-modulus-a-better-understanding-11281.html
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50% (01:19) correct
