[Ans] (C)
[Question] In filling a room with gas 100 m * 10 m * 10 m the volumes of gas will be?
Options:
(A) 100 cu.m
(B) 1000 cu.m
(C) 10000 cu.m
(D) 100000 cu.m
(E) 10000000 cu.m
[CoT] 100 * 10 * 10 = 10000

[Ans] (C)
[Question] What is the Mode of the following data set R- {1,2,7,9,6,6,7,7}
Options:
(A) 1
(B) 2
(C) 7
(D) 6
(E) 9
[CoT] Mode of a set is the data point that is repeated the most number of times. In the set given, 7 is repeated.

[Ans] (D)
[Question]
How many two-digit numbers satisfy this property.: The last digit (unit's digit) of the square of the two-digit number is 7 ?
Options:
(A) 3
(B) 1
(C) 4
(D) 0
(E) 2
[CoT] A number ending with 7 can never be a perfect square.