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Quantitative Aptitude

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Question
18 out of 40
 

The ratio between two angle of triangle A is 7 : 8 and the ratio between two angle of triangle B is 5 : 4. The third angle of both the triangle is 45°. What will be the sum of second largest angel of both triangle?



A 108°
B 105°
C 132°
D Cannot be determined
E None of these

Ans. E

In Triangle A, 7x + 8x + 45 = 180°

x = 9

So angle are 63, 72, 45

In Triangle B, 5x + 4x + 45 = 180°

x = 15

So angle are 75, 60, 45

Sum = 63 + 60 = 123

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