Question: In digging a hole 10 m * 10 m * 100 m the volumes of the sand extracted will be?
Options:
(A) 100 cu.m
(B) 1000 cu.m
(C) 10000 cu.m
(D) 2000 cu.m
(E) 4000 cu.m
Answer: 10 * 10 * 100 = 10000
The answer is (C).

Question: A pipe can fill a cistern in 18 minutes whereas the cistern when fill can be emptied by a leak in 20 minutes. When both pipes are opened, find when the cistern will be full?
Options:
(A) 17
(B) 180
(C) 70
(D) 120
(E) 12
Answer: 1/18 - 1/20 = 1/180
180 minutes
The answer is (B).

Question: A lady starts from P towards Q and realizes that at a point R, if he walks 50 km further he will be at a point S, which is as far away from R as it is from Q. What is the distance between P and Q if the distance between P and R is half the distance from R to Q?( Assume that P, Q, R and S are all on the same straight line)
Options:
(A) 150 km
(B) 200 km
(C) 250 km
(D) 125 km
(E) 155 km
Answer: P___50_____ R ___50_____S____50 ___Q
The above figure gives the locations of P, R, S &Q in relation to each other.
The answer is (A).

Question: Which is greater than 99?
Options:
(A) 9
(B) 99
(C) 9.9
(D) 999
(E) 909
Answer:
999 greater than 99.
The answer is (D).