Big Book Test 1 Section 7 Question #14

1296kohlishivam · November 18, 2021, 11:36am

Quantitative Comparison - Doubts

Can anyone tell me why the answer is D?

C.Koushik · November 18, 2021, 3:46pm

For Q14, if you substitute 1 and 0 for x, you can clearly see that Qa is zero for both, but Qb changes. For one option, Qa=Qb, for another Qb>Qa. So option D

C.Koushik · November 18, 2021, 3:51pm

For Q11, the two lines don’t necessarily pass through the center of the circle, so we can’t say the opposite sectors are symmetrical.
Here’s an extreme example where the shaded regions might be of equal area, but A and B will be unequal.