Q111. Geek throws three dice in a special game. If he knows that he needs 15 or higher in this throw to win, then find the chance of his winning the game.
a) 5/54
b) 17/216
c) 13/216
d) None of the above
A. (a)
Refer comment box for posting or viewing solution.
Q112. How many tiles whose length and breadth are 12 cm and 5 cm respectively will be needed to fit in a rectangular region whose length and breadth are respectively 144 cm and 100 cm ?
a) 160
b) 240
c) 320
d) 80
A. (b)
Refer comment box for posting or viewing solution.
Q113. If 60 guns firing 5 rounds in 6 minute. Kill 350 men in 1 ¼ hours, how many guns firing 7 rounds in 9 minute will kill 980 men in 25 minute at the same rate ?
a) 540 guns
b) 580 guns
c) 270 guns
d) 240 guns
A. (d)
Refer comment box for posting or viewing solution.
Q114. If 8 men, working 9hrs/day can build a wall 18 meters long, 2 meters wide and 12 meters high in 10 days, how many men will be required to build a wall 32 meters long, 3 meters wide and 9 meters high by working 6 hours a day in 8 days ?
a) 30 men
b) 24 men
c) 21 men
d) None of the above
A. (a)
Refer comment box for posting or viewing solution.
Q115. Atul & Manish can complete a job in 16 days. Atul alone can do it in 24 days. How long will Manish alone take to finish the whole work ?
a) 16 days
b) 48 days
c) 24 days
d) None of the above
A. (b)
Refer comment box for posting or viewing solution.
I want solution for 155 question
Solution for Question 15:
The difference in 1 box = 45 – 27 = 18
Extra amount he has to pay to buy 27 boxes this year = 27 * 18 = 486$
Sol: 46
Let x, y & z be no of boxes George, Mark or Henry can paint in one day.
From given data,
20x + 20y = 720, ∴ x + y = 36 …(1)
24y + 24z = 720, ∴ y + z = 30 …(2)
15x + 15z = 720, ∴ x + z = 48 …(3)
Solving (1), (2) & (3),
x = 27
y = 9
z = 21
Now, to calculate no of boxes painted –
Boxes painted = 4x + 8y + 8z
Boxes painted = 4×27 + 8×9 + 8×21
Boxes painted = 108 + 72 + 168
Boxes painted = 348 boxes