q: What is the Mode of the following data set S- {1,2,6,9,6,6,10}
Options:
(A) 9
(B) 6
(C) 10
(D) 1
(E) 2
a: OK... Mode of a set is the data point that is repeated the most number of times. In the set given, 6 is repeated.
The answer is (B).

q: A train running at the speed of 60 km/hr crosses a pole in 12 sec. What is the length of the train?
Options:
(A) 118
(B) 150
(C) 277
(D) 200
(E) 191
a: OK... Speed = 60 * 5/18 = 50/3 m/sec
Length of the train = speed * time = 50/3 * 12 = 200 m
The answer is (D).

q: A no. when divided by the sum of 555 and 445 gives 2times their difference as quotient & 30 as remainder. Find the no. is?
Options:
(A) 124345
(B) 234545
(C) 165767
(D) 144656
(E) 220030
a:
OK... (555 + 445) * 2 * 110 + 30 = 220000 + 30 = 220030
The answer is (E).