Reasoning: 221 + 43 = 264/17 = 9 (Remainder)
Ans: (C)
Question: A no.when divided by 221 gives a remainder 43, what remainder will be obtainedby dividingthe same no.17?
Options:
(A) 3
(B) 6
(C) 9
(D) 11
(E) 14

Reasoning: P1 takes 12 hrs
Rate for P2P3 together = 1/30 + 1/40 = 7/120
Therefore they take 120/7
Ratio = 120/7 =
Ans: (D)
Question: Working alone, Printers X, Y, and Z can do a certain printing job, consisting of a large number of pages, in 12, 30, and 40 hours, respectively. What is the ratio of the time it takes Printer X to do the job, working alone at its rate, to the time it takes Printers Y and Z to do the job, working together at their individual rates?
Options:
(A) 4/11
(B) 1/2
(C) 15/22
(D) 120/7
(E) 11/4

Reasoning: 1/18 - 1/20 = 1/180
180 minutes
Ans: (B)
Question: A pipe can fill a cistern in 18 minutes whereas the cistern when fill can be emptied by a leak in 20 minutes. When both pipes are opened, find when the cistern will be full?
Options:
(A) 17
(B) 180
(C) 70
(D) 120
(E) 12

Reasoning: Only 4 cubes situated at the corners of the cuboid will have 4 coloured and 2 non-coloured sides.
Ans: (B)
Question: How many cubes will have 4 coloured sides and two non-coloured sides ?
Options:
(A) 5
(B) 4
(C) 3
(D) 2
(E) 1