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1
Find the two consecutive odd numbers whose sum is 84.
21 and 63
31 and 53
41 and 43
51 and 33
2
Least common multiple of 4 and 9 is
32
40
45
36
3
Find the greatest number which when divides 150 and 392 leaves remainders 4 and 6 respectively.
6
5
8
15
4
HCF of 120, 144 and 216 is ____________________
38
24
120
144
If LCM of X and Y is Z, which one of the following is correct for finding the HCF?
All of these
LCM of two numbers = ____________________
Product of two numbrestheir HCF
Product of numbers X their HCF
Product of numbres
None of these
7
Column - I Column - II
(A) The L.C.M of two prime numbers 'a' and 'b' (a>b) is 161. The value of 3b - a is (p) 322
(B) H.C.F of 4 X 27 X 3125, (q) 130
8 X 9 X 25 X 7 and 16 X 81 X 5 X 11 X 49 is
(C) If the H.C.F of two numbers (each greater than 13) be 13 and the L.C.M be 273, (r) -2
then the sum of numbers is
(D) The H.C.F of two numbers is 23 and the other two
factors of their L.C.M are 13 and 14. The larger of the two number is (s) 180
Choose the correct option:
A s; B r; C q; D p
A s; B r; C p; D q
A r; B s; C q; D p
A r; B s; C p; D q
HCF of 24 and 36 is______________
9
12
Find the largest number that divides 2053 and 967 and leaves a remainder of 5 and 7 respectively.
4096
60
64
512
10
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
11
Find the largest number which divides 615 and 963 leaving a remainder 6 in each case.
None of these.
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
13
Find the least number which when divided by 16, 28, 40 and 77 leaves remainder 8 in each case.
6168
6160
56
616
14
Find the least number which when divided by 8, 14, 22 and 36 leaves remainders 4, 10, 18 and 32 respectively.
5544
5540
11088
11084
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
16
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
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.
18
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)
19
Between which multiple of 10 does 3486 lie?
3480,3500
3460,3480
3480,3490
3470,3480
20
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