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Quantitative Aptitude

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Mensuration

Question
19 out of 40
 

One of the angle of parallelogram is 70°and one of the angle of quadrilateral is 90°. The ratio between other angle of quadrilateral is 7 : 5 : 3. What will be difference between largest angle of parallelogram and second largest angle of quadrilateral?



A 110°
B 90°
C 20°
D Cannot be determined
E None of these

Ans. C

Other angle of parallelogram = 180 – 70 = 110°

7x + 5x + 3x + 90 = 360

15x = 270

x = 18

So angle are 126, 90, 54, 90

Second largest angle are 90°

Difference = 110 – 90 = 20°

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