(Ans). (C)
(Question). The total number of apples and oranges in the refrigerator is 7 more than the total number of oranges and peaches in the refrigerator. How much lesser is the number of peaches in the refrigerator as compared to apples?
Options:
(A) 2
(B) 8
(C) 7
(D) 6
(E) 4
(CoT). (Apples + Oranges) - (Oranges + Peaches) = 7
Apples - Peaches = 7


(Ans). (A)
(Question). A can do a work in 9 days and B can do the same work in 27 days. If they work together, in how many days will they complete the work?
Options:
(A) 6 3/4 days
(B) 7 3/4 days
(C) 5 3/4 days
(D) 6 1/4 days
(E) 6 2/4 days
(CoT). One day's work of A and B = 1/9 + 1/27 = (3+1)/27 = 4/27 So, the time taken to complete the work is 6 3/4 days.


(Ans). (A)
(Question). How long does a bus 100 m long traveling at 50 kmph takes to cross a bridge of 150 m in length?
Options:
(A) 18
(B) 16
(C) 15
(D) 11
(E) 12
(CoT). D = 100 + 150 = 250 m
S = 50 * 5/18 = 125/9
T = 250 * 9/125 = 18 sec


(Ans). (A)
(Question).

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
A train 560 m in length crosses a telegraph post in 16 seconds. The speed of the train is?
Options:
(A) 126 kmph
(B) 77 kmph
(C) 54 kmph
(D) 71 kmph
(E) 88 kmph
(CoT). S = 560/16 * 18/5 = 126 kmph