Q1.
Find the
number of factors of 432. .
(a) 18
(b) 21
(c) 19
(d) 20
Q2.
In how many ways can 3663 be expressed as a
product of two factors except 1 and itself?
(a) 5
(b) 6
(c) 12
(d) 18
Q3.
When n is divided by 7 the remainder is 4.
What is the remainder when n2 - n is divided by 49? .
(a) 10
(b) 12
(c) 18
(d) 22
Q4.
Find the greatest fraction among the
fractions 
and 
(a) 
(b) 
(c) 
(d) 
Q5.
Three bells rang simultaneously at 9 a. m.
The first bell rings every 15 minutes, the second bell rings every 20 minutes
and the third bell rings every 25 minutes. At what time immediately after 9
a.m. would all the bells ring simultaneously. .
(a) 12 pm
(b) 3 pm
(c) 2 pm
(d) 1 pm
Q6.
The L.C.M. of two positive integers exceeds
their H.C.F. by 875. Their L.C.M. is 36 times their H.C.F. If the smaller
integer is 25, find the largest integer. .
(a) 900
(b) 1075
(c) 1200
(d) 1050
Q7.
Find the greatest number which divides 6155
and 4935 and leaves remainders of 5 and 15 respectively. .
(a) 1230
(b) 1240
(c) 1235
(d) 2470
Q8.
Find the greatest number that leaves the
same remainder when it divides 49, 97 and 189. .
(a) 2
(b) 4
(c) 6
(d) 8
Q9.
If n is a natural number, then for what
values of n is 52n - 1 is divisible by 8?
(a) Even values of n
(b) Odd values of n
(c) All values of n
(d) No value of n
Q10.
Find the
sum of all the digits of the numbers from 20 to 119. .
(a) 910
(b) 920
(c) 900
(d) 890
Answer
|
1.D.
|
2.A.
|
3.B.
|
4.D.
|
5.C.
|
|
6.A.
|
7.A.
|
8.B.
|
9.D.
|
10.B.
|
