## Tuesday, October 6, 2009

### GMAT/CAT PREP EMAIL COURSE DAY 4

1)If n is an integer, which of the following CANNOT be an even integer?
(A) 2n + 2
(B) n – 5
(C) 2n
(D) 2n + 3

2)Average of 10 numbers is -10 . Sum of 6 numbers is 100 . What is the average of other 4 numbers?
1)-100
2)-50
3)0
4)100

3)How many zeros does 90! end with?

4)How many digits does the product of 4^15 and 5^29 contain?
A. 12
B. 13
C. 23
D. 30
E. 35

5)What is the number which when divided by a divisor that is five times the quotient, gives a quotient that is four times the remainder? The Remainder is 10.

(1) 1010
(2) 8010
(3) 210
(4) None of these

6)Find the unit digit of the (3127)^173.

A)1
B)7
C)9
D)3

7)A number 774958A96B is to be divisible by 8 and 9, the values of A and B, respectively, will be
[1] 7,8
[2] 8,0
[3] 5,8
[4] None

8)A heap of pebbles can be made up exactly into groups of 25,,but when made up into groups of 18,27,32,there is in each case a remainder of 11
what is the least number of pebbles that heap contains ?

1)100
2)875
3)864
4)760
For solution:

9)If P represents the product of the first 15 positive integers, then P is not a multiple of

a) 99
b) 84
c) 72
d) 65
e) 57
For solution:
http://catdumps.blogspot.com/2009/07/question-of-day.html

10)What is the Number of pairs which have 16 as their H.C.F. and 136 as their
L.C.M.?
(a) Only one such pair exists
(b) Only two such pairs exist
(c) More than two pairs exist
(d) No such pairs exist