[Ques]: There are 3 teams each with 7 basket players. How many combinations are there if we were to pick 2 players from the 3 teams such that no team was picked twice?
Options:
(A) 50
(B) 23
(C) 147
(D) 28
(E) 45
*Ans*: (C)
--CoT--: There are altogether three arrangements, which are we can select two members each from team A and B, each from team A and C, and each from team B and C. For each arrangement, there are altogether 49 possibilities (7*7) since each team has 7 players. So there are a total of 147 possibilities (49*3). I hope this method is easier for you to understand.

[Ques]: Find the odd man out
253, 136, 352, 326, 631, 244
Options:
(A) 326
(B) 136
(C) 352
(D) 631
(E) 531
*Ans*: (A)
--CoT--: The sum all three digits comes to 10 except 326

[Ques]: A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 240 m long?
Options:
(A) 40 sec
(B) 42 sec
(C) 45 sec
(D) 48 sec
(E) 50 sec
*Ans*: (D)
--CoT--: Speed = 45 * 5/18 = 25/2 m/sec
Total distance covered = 360 + 240 = 600 m
Required time = 600 * 2/25 = 48 sec

[Ques]: Find the product of the localvalue and absolutevalue of 3 in 20368?
Options:
(A) 1000
(B) 1100
(C) 1200
(D) 900
(E) 10000
*Ans*: (D)

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
--CoT--: Local value of 3 = 3 x 100 = 300
Place value of 3 = 3
There fore = 3 x 300 = 900