## Solution
1/20 - 1/70 = 1/28
28 minutes
## What the question and answer could be
A pipe can fill a cistern in 20 minutes whereas the cistern when fill can be emptied by a leak in 70 minutes. When both pipes are opened, find when the cistern will be full?
Options:
(A) 17 minutes
(B) 87 minutes
(C) 70 minutes
(D) 28 minutes
(E) 11 minutes
(D)

## Solution
3/8 * 32000 = 12000
5/8 * 32000 = 20000
## What the question and answer could be
Divide Rs.32000 in the ratio 3:5?
Options:
(A) 12000, 20000
(B) 12000, 200098
(C) 12000, 20007
(D) 12000, 20006
(E) 12000, 20001
(A)

## Solution
1/8 + 1/14 = 11/56
56/11 = 5 days
## What the question and answer could be
A and B complete a work in 8 days. A alone can do it in 14 days. If both together can do the work in how many days?
Options:
(A) 5 days
(B) 8 days
(C) 6 days
(D) 3.15 days
(E) 2.75 days
(A)

## Solution
The total distance D traveled by John is given by
D = 45 * 2 + 3 * 55 = 255 miles.
## What the question and answer could be

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
John left home and drove at the rate of 45 mph for 2 hours. He stopped for lunch then drove for another 3 hours at the rate of 55 mph to reach his destination. How many miles did John drive?
Options:
(A) 235 miles.
(B) 245 miles.
(C) 255 miles.
(D) 265 miles.
(E) 275 miles.
(C)