Quans - 5

Quans - 5



Miss Dean wants to renovate her house. She hires a plumber, a carpenter, a painter, an electrician and an interior decorator. The work to be finished in a
working week (Monday - Friday). Each worker will work the full day to do his job. Miss Dean permits only one person to work each day.
I. The painter can work only after the plumber and the carpenter have finished
their jobs
II. The interior decorator must do his job before the electrician.
III. The carpenter cannot work on Monday or Tuesday

1. If the painter work on Thursday, which one of the following alternatives is possible?
(a) The electrician works on Tuesday.
(b) The electrician works on Friday.
(c) The interior decorator works after the painter does.
(d) The painter works on consecutive days.
(e) Miss Dean cannot fit all of the workers in the schedule

Ans: (b)

2. If the painter works on Friday which of the following must be false?
(a) The carpenter may works on Wednesday
(b) The carpenter and the electrician may work on consecutive days
(c) If the carpenter works on Thursday, the electrician has to work on
Wednesday
(d) The plumber may work before the electrician does
(e) The electrician may work on Tuesday

Ans: (c)

3. Which argument is possible?
(a) The electrician will works on Tuesday and the interior decorator on Friday
(b) The painter will work on Wednesday and plumber on Thursday
(c) The carpenter will works on Tuesday and the painter on Friday
(d) The painter will work on Monday and the carpenter on Thursday
(e) The carpenter will work on Wednesday and the plumber on Thursday

Ans: (e)

4. There are two circles. One circle is inscribed and another circle is
circumscribed over a square. What is the ratio of area of inner to outer circle?

Ans: 1 : 2

5. City A's population is 68000, decreasing at a rate of 80 people per year.
City B having population 42000 is increasing at a rate of 120 people per year.
In how many years both the cities will have same population?

Ans: 130 years