Teachoo MCQ Test

Short Quiz

Chapter 1 Class 10 Real Numbers | 5 questions

Timed test. Answer every question before time runs out. Correct answers and solutions appear after submission.
Time remaining 360
Question 1 of 5
Question 1 of 5
NCERT Exemplar
The least number that is divisible by all the numbers from 1 to 10 (both inclusive) is
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Question 2 of 5
CBSE Board Exam 2021
The exponent of 5 in the prime factorisation of 3750 is
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Question 3 of 5
CBSE Board Exam 2021
If \(n\) is a natural number, then \(2\left(5^n+6^n\right)\) always ends with
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Question 4 of 5
CBSE Board Exam 2021
Three alarm clocks ring their alarms at regular intervals of 20 min, 25 min and 30 min respectively. If they first beep together at 12 noon, at what time will they beep again for the first time ?
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Question 5 of 5
NCERT Exemplar
If two positive integers \(a\) and \(b\) are written as \(a=x^3 y^2\) and \(b= x y^3 ; x, y\) are prime numbers, then \(\operatorname{HCF}(a, b)\) is:
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