Q1.
In how many ways can 1500 be expressed as a
product of two factors?
(a) 18
(b) 12
(c) 24
(d) 36
Q2.
The ten digit number 4p2q135123 is divisible
by 9. If p - q = 1, find (p, q). .
(a) (9, 8)
(b) (7, 6)
(c) (6, 5)
(d) (8, 7)
Q3.
Express 0.467 in the form of 
, where p, q are integers
(a) 
(b) 
(c) 
(d) 
Q4.
The H.C.F of three distinct numbers is 13
which is also the least number and the L.C.M is 78 which is also the largest of
the three. The third number can be .
(a) 52
(b) 65
(c) 13
(d) 26
Q5.
Three distinct numbers have L.C.M as 240.
Which of the following cannot be their H.C.F? .
(a) 24
(b) 48
(c) 45
(d) 16
Q6.
A positive integer when divided successively
by 6, 8, and 9 leaves a remainder of 1 in each case. Find the least possible
value of the integer. .
(a) 71
(b) 62
(c) 55
(d) 107
Q7.
The
greatest number which divides 620 and 578 and leaves remainder 2 is
(a) 6
(b) 9
(c) 12
(d) 15
Q8.
Find the remainder when 293 is
divided by 7. .
(a) 1
(b) 3
(c) 4
(d) 5
Q9.
If n is a natural number, then for what
values of n is 8n + 1 is divisible by 3 for
(a) Odd values of n
(b) Even values of n
(c) All values of n
(d) No value of n
Q10.
12 + 22 + 32
+ ………. + 112 = ? .
(a) 501
(b) 511
(c) 506
(d) 513
Answer
|
1.B.
|
2.D.
|
3.B.
|
4.D.
|
5.C.
|
|
6.C.
|
7.A.
|
8.A.
|
9.A.
|
10.C.
|
