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1. Question marks are mentioned with each Question.
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5. This is a ONE TIME attempt test. Once started, it cannot be reversed or attempted again.
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1
A ________ of a number is an exact dividor of that number.
multiple
factor
dividend
None of these
2
1 is ________________
a multiple of 10.
a composite number.
an odd number.
an even number
3
LCM of two numbers = ____________________
Product of two numbrestheir HCF
Product of numbers X their HCF
Product of numbres
4
LCM of 81, 18 and 36 is:
81
162
324
36
5
Four bells ring at intervals of 6, 7, 8 and 9 seconds respectively. All the bells ring together after ________________ seconds.
504
516
508
512
6
Prime factors of 140 are:
2 X 2 X 7
2 X 2 X 5
2 X 2 X 5 X 7
2 X 2 X 5 X 7 X 3
7
Consider the following statement:
1 and 2 are correct
2 is correct only
2 and 3 are correct
1 and 3 are correct
8
If LCM of X and Y is Z, which one of the following is correct for finding the HCF?
All of these
9
A number less than hundred has the factors 2, 3 and 4. If the sum of the digits of the number is 15, find the number.
78
87
69
10
There are 56 students in section A and 58 students in section B of a class in a school. Find the minimum number of books required for their class library so that they can be distributed equally among the students of section A or section B.
1600
1624
812
406
11
Find the least number which when divided by 16, 28, 40 and 77 leaves remainder 8 in each case.
6168
6160
56
616
12
Find the smallest number which leaves remainder 8 and 12 when divided by 28 and 32 respectively.
224
896
204
876
13
Identify the set of numbers between 10 and 20 which have exactly two factors
12 , 14, 15,16 , 18
11, 12 ,13 , 14, 15, 16, 18
11, 13, 17, 18
11, 13, 17, 19
14
If z is the H.C.F of x and y, then the H.C.F of and is ________.
x
y
z
15
There are four prime numbers written in ascending order. The product of the first three is 385 and that last three is 1001. The first number is
17
16
Consider the following statements.
(i) Every number is a factor of itself.
(ii) Every number is multiple of itself.
Which statement is the correct?
Only (i)
Only (ii)
Both (i) and (ii)
Neither (i) nor (ii)
Between which multiple of 10 does 3486 lie?
3480,3500
3460,3480
3480,3490
3470,3480
18
Two tankers contain 850 litres and 680 litres of petrol respectively . Find the maximum capacity of container which can measure the petrol of either tanker in exact number of times .
170
25
None of these.
19
Match the following
(p) 2
A t; B s; C q; D r; E p
A s; B t; C p; D q; E r
A s; B t; C q; D p; E r
A t; B s; C P; D r; E q
20
In a groups of cows and ducks, the number of legs was 48. If the number of heads of ducks was 8, find the number of cows in the group.