The product of a non-zero rational and an irrational number is:
Anonymous Quiz
20%
always rational
60%
always irrational
20%
either rational or irrational
0%
always an integer
The prime factorization of 140 is:
Anonymous Quiz
83%
2² × 5 × 7
8%
2 × 5² × 7
8%
2² × 5² × 7
0%
2 × 5 × 7²
There is a circular path around a sports field. Sonia takes 18 minutes to drive one round, while Ravi takes 12 minutes. If they start at the same point and time, after how many minutes will they meet again at the starting point?
Anonymous Quiz
13%
18 minutes
13%
24 minutes
75%
36 minutes
0%
48 minutes
Which of the following numbers has a non-terminating repeating decimal expansion?
Anonymous Quiz
50%
13/3125
32%
29/343
14%
6/15
5%
35/50
Which of the following is an irrational number?
Anonymous Quiz
20%
√25
17%
3.1416
17%
√(12/3)
47%
5 - √3
According to Euclid's division lemma, for any two positive integers 'a' and 'b', there exist unique integers 'q' and 'r' such that a = bq + r, where 'r' must satisfy:
Anonymous Quiz
21%
0 ≤ r < b
36%
0 < r ≤ b
29%
0 ≤ r ≤ b
14%
0 < r < b
The largest number which divides 70 and 125, leaving remainders 5 and 8 respectively, is:
Anonymous Quiz
14%
65
5%
875
73%
13
9%
1750
What is the smallest positive integer that is divisible by all natural numbers from 1 to 10 (both inclusive)?
Anonymous Quiz
18%
1260
27%
5040
36%
2520
18%
720
The decimal expansion of a rational number p/q is terminating if the prime factorization of q is of the form:
Anonymous Quiz
38%
2ⁿ 3ᵐ
10%
3ⁿ 5ᵐ
52%
2ⁿ 5ᵐ
0%
2ⁿ 7ᵐ
The decimal expansion of the rational number 17/8 will terminate after how many decimal places?
Anonymous Quiz
20%
1
40%
2
40%
3
0%
4
The HCF and LCM of 12, 21 and 15 respectively are:
Anonymous Quiz
21%
3, 140
21%
12, 420
54%
3, 420
4%
420, 3
If HCF(306, 657) = 9, what is the LCM(306, 657)?
Anonymous Quiz
71%
22338
18%
11169
6%
33407
6%
22383
The number 7 × 11 × 13 + 13 is a:
Anonymous Quiz
10%
Prime number
80%
Composite number
10%
Irrational number
0%
None of the above
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CBSE Class 10 Math: Chapter 2 - Polynomials
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CBSE Class 10 Math: Chapter 2 - Polynomials
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