X
Real Number MCQ Assignments in
Mathematics Class X (Term I)
|
1. Euclid’s division algorithm can be applied
to :
|
(a) only positive
integers (b) only negative
integers
|
(c) all integers (d) all integers
except 0.
|
2. For some integer m, every even
integer is of the form :
|
(a) m (b) m + 1 (c) 2m
(d) 2m + 1
|
3. If the HCF of 65 and 117 is
expressible in the form 65m – 117, then the value of m is :
|
(a) 1 (b) 2 (c) 3 (d) 4
|
4. If
two positive integers p and q can be expressed as p = ab2 and q = a3b,
a; b being prime numbers, then LCM (p, q) is :
|
(a) ab (b) a2b2
(c) a3b2 (b) a3b3
|
5. The
least number that is divisible by all the numbers from 1 to 10 (both
inclusive) is :
|
(a) 10 (b) 100 (c) 504 (d) 2520
|
6. 7
× 11 × 13 × 15 + 15 is :
|
(a) composite number (b) prime number
|
(c) neither composite nor prime (d) none of these
|
7. 1.23 is :
|
(a) an integer (b) an irrational
number (c) a rational number (d) none of these
|
8. If two positive integers p and
q can be expressed as p = ab2 and q = a2b; a,
b being prime numbers, then LCM (p, q) is :
|
(a) a2b2
(b) ab (c) ac3b3 (d) a3b2
|
9. Euclid’s division
lemma states that for two positive integers a and b, there
exist unique integers q and r such that a = bq + r, where
:
|
(a) 0 < r ≤ b (b) 1
< r < b (c) 0 < r < b (d) 0 ≤ r < b
|
10. 3.24636363...
is :
|
(a) a terminating decimal number (b) a
non-terminating repeating decimal number
|
(c) a rational number (d) both (b) and (c)
|
11.(n + 1)2 – 1 is divisible by
8, if n is :
|
(a) an odd integer (b) an even integer (c) a
natural number (d) an integer
|
12. The largest number which divides 71 and 126, leaving remainders 6 and 9
respectively is :
|
(a) 1750 (b) 13 (c) 65 (d) 875
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13. For some integer q, every odd integer is of the form :
|
(a) 2q (b) 2q + 1 (c) q (d) q
+ 1
|
14. If the HCF of 85 and 153 is expressible
in the form 85m – 153, then the value of m is :
|
(a) 1 (b) 4 (c) 3 (d) 2
|
15. According to Euclid’s division algorithm, HCF
of any two positive integers a and b with a > b is
obtained by applying Euclid’s division lemma to a and b to find
q and r such that a = bq + r, where r must
satisfy :
|
(a) 1 < r < b (b) 0 < r < b (c)
0 ≤ r < b (d) 0 < r ≤ b
|
Saturday 15 September 2012
X Real Number MCQ Assignments in Mathematics Class X (Term I)
Labels:
10th Number system
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