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5. This is a ONE TIME attempt test. Once started, it cannot be reversed or attempted again.
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1
Find the least number which when divided by 12, 15, 18 and 20 leaves remainder 5 in each case.
180
185
160
155
2
Consider the following statement:
1 and 2 are correct
2 is correct only
2 and 3 are correct
1 and 3 are correct
3
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
4
What is the LCM of two prime numbers?
Their addition
Their product
Their division
5
If a = b then a/ b = _______-
12
6
Find the smallest number of five digits which is exactly divisible by 60, 90 and 80
10000
10040
10080
10100
7
HCF of 24 and 36 is______________
9
8
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
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 smallest number which leaves remainder 8 and 12 when divided by 28 and 32 respectively.
224
896
204
876
11
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
Find the greatest number, which when divides 15 , 21 and 27, leaves the same remainder in each case.
13
Find the largest number which divides 615 and 963 leaving a remainder 6 in each case.
None of these.
14
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
15
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
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)
17
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
18
Between which multiple of 10 does 3486 lie?
3480,3500
3460,3480
3480,3490
3470,3480
19
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.
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