CAT 2000
1. Let D be a recurring decimal of the form, D = 0. a1 a2 a1 a2 a1 a2 ......., where digits a1 and a2 lie between 0 and 9. Further, at most one of them
is zero. Then which of the following numbers necessarily produces an integer, when multiplied by D?
18
108
198
288
-null-
Skip this question
nmlkj
nmlkj
nmlkj
nmlkj
nmlkj
nmlkji
2.
In the above table, for suitably chosen constants a, b and c, which one of the following best describes the relation between y and x?
(1) y= a + bx
(2) y = a + bx + cx2
(3) y = ea + bx
(4) None of the above
1
2
3
4
-null-
Skip this question
nmlkj
nmlkj
nmlkj
nmlkj
nmlkj
nmlkji
3. If a1 = 1 and an+1= 2an + 5, n = 1 , 2 .. , then a100 is equal to
(1) (5 × 299 – 6)
(2) (5 × 299 + 6)
(3) (6 × 299 + 5)
(4) (6 × 299 – 5)
1
2
3
4
-null-
Skip this question
nmlkj
nmlkj
nmlkj
nmlkj
nmlkj
nmlkji
4. What is the value of the following expression?
(1/ ( 22 – 1)) + (1/ ( 42 – 1)) + (1/ ( 62 – 1)) + .... + (1/ ( 202 – 1))
9/19
10/19
nmlkj
nmlkj
Archives
Forums
B-Schools
Events
MBA
Vocabulary
http://www.complore.com/test4PDF.php?id=310
10/21
11/21
-null-
Skip this question
nmlkj
nmlkj
nmlkj
nmlkji
5. A truck travelling at 70 kilometres per hour uses 30% more diesel to travel a certain distance than it does when it travels at the speed of 50
kilometres per hour. If the truck can travel 19.5 kilometres on a litre of diesel at 50 kilometres per hour, how far can the truck travel on 10 litres of
diesel at a speed of 70 kilometres per hour?
130
140
150
175
-null-
Skip this question
nmlkj
nmlkj
nmlkj
nmlkj
nmlkj
nmlkji
6. Consider a sequence of seven consecutive integers. The average of the first five integers is n. The average of all the seven integers is
n
n+1
K × n, where k is a function of n
n + (2/7)
-null-
Skip this question
nmlkj
nmlkj
nmlkj
nmlkj
nmlkj
nmlkji
7. If x > 2 and y > – 1, Then which of the following statements is necessarily true?
xy > –2
–x < 2y
xy < –2
–x > 2y
-null-
Skip this question
nmlkj
nmlkj
nmlkj
nmlkj
nmlkj
nmlkji
8. One red