(1998)
1.
I have one rupee coins, fifty paise coins and
twenty five paise coins. The numbers of coins are in the ratio 2.5: 3: 4. If
the total amount with me is Rs 210. Find the number of one rupee coins.
(a)
90 (b) 85 (c) 100 (d) 105
2.
There are two containers: the first contains 500
ml of alcohol, while the second contains 500 ml of water. Three cups of alcohol
from the first container is removed and is mixed well in the second container.
Then three cups of this mixture is removed and is mixed in the first container.
Let ‘A’ denote the proportion of water in the first container and ‘B’ denote
the proportion of alcohol in the second container. Then,
(a)
A > B (b) A < B (c) A = B (d) Cannot be determined
(1999)
1.
Mr. Launcher plans to launch a new TV channel
called Dekha Dekhi (DD). He envisages a viewership of 42%. He plans to capture
the viewership from CAT TV and MAT TV, which currently hold viewership of 35%
and 48%, each having a distinct and separate target audience. In what ratio should
he capture the target audience of the two channels
(a)
6 : 7 (b) 7: 6 (c) 1: 1 (d) 8: 9
(2000)
1.
There are seven consecutive natural numbers such
that the average of the first five is n. then average of all seven numbers will
be?
(a)
N
(b)
N + 1
(c)
Kn + 1/k where k is a positive constant.
(d)
N + 2/7
(2001)
1.
Three friends, returning from a movie, stopped
to eat at a restaurant. After dinner, they paid their bill and noticed a bowl
of mints at the front counter. Sita took 1/3 of the mints, but returned four
because she had a momentary pang of guilt. Fatima then took ¼ of what was left
but returned three for similar reasons. Eswari then took half of the remainder
but threw two back into the bowl. The bowl had only 17 mints left when the raid
was over. How many mints were originally in the bowl?
(a)
38
(b) 31 (c) 41 (d) None of these
2.
Three maths classes: X, Y and Z take an algebra
test.
The average score in class X is 83.
The average score in class Y is 76.
The average score in class Z is 85.
The average score of all students in
classes X and Y together is 79.
The average score of all students in
classes Y and Z together is 81.
What is the average for all the three
classes?
(a)
81 (b) 81.5 (c) 82 (d) 84.5
3.
A set of consecutive positive integers beginning
with 1 is written on the blackboard. A student came along and erased one
number. The average of the remaining numbers is 357⁄15. What
was the number erased?
(a)
7 (b) 8 (c) 9 (d) None of these
4.
A change making machine contains 1 rupee, 2
rupee and 5 rupee coins. The total number of coins is 300. The amount is Rs
960. If the number of 1 rupee coins and the number of 2 rupee coins are
interchanged, the value comes down by Rs 40. The total number of 5 rupee coins
is
(a)
100 (b) 140 (c) 60 (d) 150
5.
At a certain fast food restaurant, Brian can buy
burgers, 7 shakes, and one order of fries for Rs 120 exactly. At the same place
it would cost Rs 164.5 for 4 burgers, 10 shakes and one order of fries. How
much would it cost for an ordinary meal of one burger, one shake, and one order
of fries?
(a)
Rs 31 (b) Rs 41 (c) Rs 21 (d) Cannot be determined
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