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REAL NUMBERS
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About this quiz :
Series name : Boostup
Class : 10th
Subject : Mathematics
Syllabus : REAL NUMBERS
Total questions : 15
Total marks : 15
* Indicates required question
On a morning walk, three persons step off together and their steps measure 40 cm, 42 cm and 45 cm, respectively. What is the minimum distance each should walk so that each can cover the same distance in complete steps?
*
1 point
2520cm
2525cm
2555cm
2528cm
According to the fundamental theorem of arith-metic, if T (a prime number) divides b2, b > 0, then
*
1 point
T divides b
b divides T
T2 divides b2
b2 divides T2
A rational number in its decimal expansion is 327.7081. What would be the prime factors of q when the number is expressed in the p/q form?
*
1 point
2 and 3
3 and 5
2, 3 and 5
2 and 5
The values of the remainder r, when a positive integer a is divided by 3 are
*
1 point
0, 1, 2, 3
0, 1
0, 1, 2
2, 3, 4
The product of three consecutive positive integers is divisible by
*
1 point
4
6
no common factor
only 1
If HCF (16, Y) = 8 And LCM (16, Y) = 48, Then The Value Of Y Is
*
1 point
24
16
8
48
The largest number which divides 60 and 75, leaving remainders 8 and 10 respectively, is
*
1 point
260
75
65
13
The set A = {0,1, 2, 3, 4, …} represents the set of
*
1 point
whole numbers
integers
natural numbers
even numbers
Euclid’s division lemma states that for two positive integers a and b, there exist unique integer q and r such that a = bq + r, where r must satisfy
*
1 point
a < r < b
0 < r ≤ b
1 < r < b
0 ≤ r < b
The number ‘π’ is
*
1 point
natural number
rational number
irrational number
rational or irrational
HCF of 8, 9, 25 is
*
1 point
8
9
25
1
The sum of two irrational numbers is always
*
1 point
irrational
rational
rational or irrational
None of the above
The H.C.F of 441, 567 and 693 is
*
1 point
1
441
126
63
If b = 3, then any integer can be expressed as a =
*
1 point
3q, 3q+ 1, 3q + 2
3q
3q+ 1
None of the above
There are 312, 260 and 156 students in class X, XI and XII respectively. Buses are to be hired to take these students to a picnic. Find the maximum number of students who can sit in a bus if each bus takes equal number of students
*
1 point
52
56
48
63
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