[Ques]: What is the sum of all 5 digit numbers which can be formed with the digits 0,1,2,3,4 without repetation?
Options:
(A) 2599980
(B) 235500
(C) 923580
(D) 765432
(E) 765434
*Ans*: (A)
--CoT--: 10(11111)*4! - 10(1111)3! = 2599980

[Ques]: The speed of a car is 90 km in the first hour and 60 km in the second hour. What is the average speed of the car?
Options:
(A) 22
(B) 75
(C) 44
(D) 28
(E) 12
*Ans*: (B)
--CoT--: S = (90 + 60)/2 = 75 kmph

[Ques]: A train running at the speed of 60 km/hr crosses a pole in 3 sec. What is the length of the train?
Options:
(A) 50
(B) 75
(C) 100
(D) 120
(E) 25
*Ans*: (A)
--CoT--: Speed = 60 * 5/18 = 50/3 m/sec
Length of the train = speed * time = 50/3 * 3 = 50 m

[Ques]: Find the odd man out
444, 300, 200, 136, 87, 84, 80
Options:
(A) 80
(B) 87
(C) 136
(D) 200
(E) 444
*Ans*: (B)

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--: All are even natural numbers except 87.