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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
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
3
HCF of 24 and 36 is______________
6
4
9
12
Find the HCF of 101 and 573.
8
5
If a = b then a/ b = _______-
Find the number which when multiplied by 12 gives 36.
7
Find the least number which when divided by 12, 15, 18 and 20 leaves remainder 5 in each case.
180
185
160
155
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
Consider the following statements:
Which of the above statement is/are false?
Only (i)
Only (ii)
Only (iii)
All three are false
10
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
11
Find the least number which when divided by 16, 28, 40 and 77 leaves remainder 8 in each case.
6168
6160
56
616
L.C.M. of two co-prime numbers is their:
sum
difference
product
quotient
13
Find the smallest number which leaves remainder 8 and 12 when divided by 28 and 32 respectively.
224
896
204
876
14
Find the greatest number, which when divides 15 , 21 and 27, leaves the same remainder in each case.
15
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.
16
Between which multiple of 10 does 3486 lie?
3480,3500
3460,3480
3480,3490
3470,3480
17
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.
18
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
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
Consider the following statements.
(i) Every number is a factor of itself.
(ii) Every number is multiple of itself.
Which statement is the correct?
Both (i) and (ii)
Neither (i) nor (ii)