Ratio and Proportion - Aptitude Questions and Answers Part 3

11. A father distributes his Rs 1540/- among his three children such that:

i. The first child gets 2/9 of what other two get together.
ii. The middle one gets 3/11 of what eldest and youngest get together.

How much money does the youngest get from the father?


a. 280
b. 330
c. 390
d. 930

Answer: d. 930


12. If u : v = w : x = y : z = 1:2, then, (pu + qw + ry) : (pv + qx + rz) is equal to:

a. 1:2
b. 2:1
c. p:(q + r)
d. (p + q):r

Answer: a. 1:2


13. Consider the following:

i. The 2nd largest angle of a triangle is 44 degree.
ii. The largest and the smallest angle are in the ratio 3:1

What is the value of 1.5 times of the largest angle?


a. 129
b. 149
c. 153
d. 155

Answer: c. 153


14. If p : q = 3:1, then, (p3 - q3) : (p3 + q3) = _____

a. 10:11
b. 13:14
c. 14:13
d. 16:15

Answer: b. 13:14


15. What is the third proportional to (a2 - b2) and (a - b) is:

a. (a - b)
b. (a - b) / (a + b)
c. (a + b) / (a - b)
d. (a + b)

Answer: b. (a - b) / (a + b)