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1
If then values of x, y, z respectively are ____________________
2, 3, 3
3, 2, 3
3, 3, 3
2, 2, 2
2
Find the smallest number of five digits which is exactly divisible by 60, 90 and 80
10000
10040
10080
10100
3
Find the largest number which divides 245 and 1029 leaving the remainder 5 in each case.
16
15
12
10
4
What is the LCM of two prime numbers?
Their addition
Their product
Their division
5
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
6
Least common multiple of 4 and 9 is
32
40
45
36
7
HCF of 24, 36 and 56 is ________________
24
8
Four bells ring at intervals of 6, 7, 8 and 9 seconds respectively. All the bells ring together after ________________ seconds.
504
516
508
512
9
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 ?
L.C.M. of two co-prime numbers is their:
sum
difference
product
quotient
11
Find the largest number that divides 2053 and 967 and leaves a remainder of 5 and 7 respectively.
4096
60
64
Find the greatest number, which when divides 15 , 21 and 27, leaves the same remainder in each case.
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
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
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.
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
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
18
Between which multiple of 10 does 3486 lie?
3480,3500
3460,3480
3480,3490
3470,3480
19
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)
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.