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1
Consider the following statement:
1 and 2 are correct
2 is correct only
2 and 3 are correct
1 and 3 are correct
2
In which of the following Prime Factorisation is not completed ?
70 = 2 X 5 X 7
28 = 2 X 2 X 7
48 = 2 X 2 X 2 X 2 X 3
108 = 2 X 2 X 27
3
Find the two consecutive odd numbers whose sum is 84.
21 and 63
31 and 53
41 and 43
51 and 33
4
Find the largest number which divides 245 and 1029 leaving the remainder 5 in each case.
16
15
12
10
5
Find the least number which when divided by 12, 15, 18 and 20 leaves remainder 5 in each case.
180
185
160
155
6
A prime number has two factros 1 and the number itself. Which one of the following is correct about the prime factors of greatest number of two digit?
3 X 3 X 11 X 11
3 X 3 X 11 X 21
3 X 3 X 11
All of these
7
Least common multiple of 4 and 9 is
32
40
45
36
8
What is the LCM of two prime numbers?
Their addition
Their product
Their division
9
Find the greatest number, which when divides 15 , 21 and 27, leaves the same remainder in each case.
Bhushan counted to 60 using multiples of 6. Which statement is true about multiples of 6?
They are all 6 in the ones place
They all have 6 in the ones place
They can all be divided evenly by 3
They can all be divided evenly by 12
11
Find the largest number that divides 2053 and 967 and leaves a remainder of 5 and 7 respectively.
4096
60
64
512
Megha wants to draw a painting on canvas of area 32 sq. units. What are the possible dimensions can she choose ?
1,32
2,16
4,8
13
Find the largest number which divides 615 and 963 leaving a remainder 6 in each case.
None of these.
14
Joberah bakes 30 strawberry flavoured cookies, 42 chocolate flavoured cookies and 63 butterscotch flavoured cookies. She makes a pack of cookies containing same number of cookies of each type paked in each box. What is the greatest number of cookies of each type which can be packed ?
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
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)
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
18
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.
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
Between which multiple of 10 does 3486 lie?
3480,3500
3460,3480
3480,3490
3470,3480