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11. A person wants to buy 3 paise and 5 paise stamps costing exactly one rupee.
If he buys which of the following number of stamps he won't able to buy 3 paise
stamps.
Ans: 9
12. There are 12 boys and 15 girls, How many different dancing groups can be
formed with 2 boys and 3 girls.
13. Which of the following fractions is less than 1/3
(a) 22/62
(b) 15/46
(c) 2/3
(d) 1
Ans: (b)
14. 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
Directions for questions 15-17: The questions are based on the information
given below
Miss Dean wants to rennovate her house. She hires a plumber, a carpenter, a
painter, an electrician and an interior decorator. The work to be finished in one
working (Monday - Friday ).
Each worker will take 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
15. 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 int schedule
Ans: (b)
16. 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)
17. Which argument is possible?
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