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1
Given below is the procedure to find the L.C.M by prime factorisation method.
Reat the steps by step procedure and arrange the correct order of steps by choosing the correct option.
ABC
BCA
BAC
CAB
2
Which of the following numbers is divisible by 3, 7, 9 and 11 ?
37911
2079
3791
639
3
1 is ________________
a multiple of 10.
a composite number.
an odd number.
an even number
4
L.M.C. of 36 and 72 is:
36
72
108
5
A number which is a factor of every number is:
0
6
M and N are co-prime numbers, M is lowest even prime number and N is lowest odd prime number. Which one of the following is their product ?
12
8
7
Factor X factor is equal to:
Difference
Multiple
Sum
None of these
LCM of two numbers is
HCF of two numbers x product of two numbers
Product of two numbers - HCF of two numbers
HCF of two numbers + Product of two numbers
Product of two numbers / HCF of two numbers
9
Find the multiple of 5 which lies in between 17 and 23.
15
20
25
30
10
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
11
Consider the following statements:
Which of the above statement is/are false?
Only (i)
Only (ii)
Only (iii)
All three are false
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
13
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
All of these
14
Between which multiple of 10 does 3486 lie?
3480,3500
3460,3480
3480,3490
3470,3480
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.