# QED42 Interview Questions

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###### Determine the spherical excess of the spherical triangle ABC given a = 56°, b = 65°, and c = 78°. A. 90°57’ B. 68°37’ C. 38°93’ D. 33°33’
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###### A vertical pole fixed to the ground is divided in the ratio 1:9 by a mark on it with lower part shorter than the upper part. If the two parts subtend equal angles at a place on the ground, 15 m away f A. 60√5 m B. 70√5 m C. 80√5 m D. 90√5 m
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###### 20 years ago my age was 1/3 of what it is now. What is my present age ? A. 30 years B. 32 years C. 34 years D. 36 years
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###### The C.P of 15 books is equal to the S.P of 18 books. Find his gain% or loss%? A. 16.67% loss B. 17.65% loss C. 18.67% loss D. 20.20% loss
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###### Three solid cubes of sides 1 cm, 6 cm and 8 cm are melted to form a new cube. Find the surface area of the cube so formed A. 486 B. 480 C. 450 D. 420
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###### What rate percent does a man get for his money when in discounting a bill due 10 months hence, he deducts 10% of the amount of the bill? A. 10/3% B. 20/3% C. 50/3% D. 40/3%
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