Question 1/4
Medium Mathematics
Chapter 2: Polynomials Irrational numbers and real numbers Class 10 Level 25
किस विकल्प में केवल परिमेय संख्याएँ हैं?
Which option contains only rational numbers?
#rational-numbers
#set-classification
#real-numbers
A (0.125), (-4), \(\sqrt{169}\)
B \(\sqrt{2}\), (5), (0.5)
C \(\pi\), (3), \(\frac{1}{3}\)
D \(\sqrt{18}\), (0), (7)
Explanation opens after your attempt
Correct Answer
A. (0.125), (-4), \(\sqrt{169}\)
Step 1
Concept
(0.125) is terminating and \(\sqrt{169}=13\). All numbers in the first option are rational.
Step 2
Why this answer is correct
The correct answer is A. (0.125), (-4), \(\sqrt{169}\). (0.125) is terminating and \(\sqrt{169}=13\). All numbers in the first option are rational.
Step 3
Exam Tip
(0.125) सांत है और \(\sqrt{169}=13\) है। पहले विकल्प की सभी संख्याएँ परिमेय हैं।
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Question 2/4
Medium Mathematics
Chapter 2: Polynomials Irrational numbers and real numbers Class 10 Level 25
किस विकल्प में केवल अपरिमेय संख्याएँ हैं?
Which option contains only irrational numbers?
#set-classification
#irrational-numbers
#square-root
A \(\sqrt{6}\), \(\sqrt{10}\), \(\sqrt{15}\)
B \(\sqrt{4}\), \(\sqrt{6}\), \(\sqrt{10}\)
C \(\frac{1}{2}\), \(\sqrt{10}\), \(\pi\)
D (0), \(\sqrt{6}\), \(\sqrt{15}\)
Explanation opens after your attempt
Correct Answer
A. \(\sqrt{6}\), \(\sqrt{10}\), \(\sqrt{15}\)
Step 1
Concept
In the first option none is the root of a perfect square. So all are irrational.
Step 2
Why this answer is correct
The correct answer is A. \(\sqrt{6}\), \(\sqrt{10}\), \(\sqrt{15}\). In the first option none is the root of a perfect square. So all are irrational.
Step 3
Exam Tip
पहले विकल्प में कोई भी संख्या पूर्ण वर्ग की जड़ नहीं है। इसलिए सभी अपरिमेय हैं।
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Question 3/4
Easy Mathematics
Chapter 2: Polynomials Irrational numbers and real numbers Class 10 Level 26
कौन सा विकल्प केवल अपरिमेय संख्याएँ दिखाता है?
Which option shows only irrational numbers?
#irrational-numbers
#set-classification
#real-numbers
A \(\sqrt{2}\), \(\sqrt{7}\), \(\pi\)
B \(\sqrt{4}\), \(\sqrt{7}\), \(\pi\)
C (0.25), \(\sqrt{3}\), \(\sqrt{5}\)
D \(\frac{2}{3}\), \(\pi\), \(\sqrt{11}\)
Explanation opens after your attempt
Correct Answer
A. \(\sqrt{2}\), \(\sqrt{7}\), \(\pi\)
Step 1
Concept
\(\sqrt{2}\), \(\sqrt{7}\), and \(\pi\) are all irrational. Identify square roots of perfect squares and fractions separately.
Step 2
Why this answer is correct
The correct answer is A. \(\sqrt{2}\), \(\sqrt{7}\), \(\pi\). \(\sqrt{2}\), \(\sqrt{7}\), and \(\pi\) are all irrational. Identify square roots of perfect squares and fractions separately.
Step 3
Exam Tip
\(\sqrt{2}\), \(\sqrt{7}\) और \(\pi\) सभी अपरिमेय हैं। पूर्ण वर्ग की जड़ और भिन्न को अलग पहचानें।
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Question 4/4
Easy Mathematics
Chapter 2: Polynomials Irrational numbers and real numbers Class 10 Level 26
कौन सा विकल्प केवल परिमेय संख्याएँ दिखाता है?
Which option shows only rational numbers?
#rational-numbers
#set-classification
#mcq
A (4), (-2), (0.75)
B \(\sqrt{2}\), (3), (5)
C \(\pi\), (1), (2)
D \(\sqrt{10}\), \(\sqrt{25}\), (7)
Explanation opens after your attempt
Correct Answer
A. (4), (-2), (0.75)
Step 1
Concept
Integers and terminating decimals are rational. Options containing irrational roots or \(\pi\) are not only rational.
Step 2
Why this answer is correct
The correct answer is A. (4), (-2), (0.75). Integers and terminating decimals are rational. Options containing irrational roots or \(\pi\) are not only rational.
Step 3
Exam Tip
पूर्णांक और सांत दशमलव परिमेय होते हैं। जिन विकल्पों में अपरिमेय जड़ या \(\pi\) है वे केवल परिमेय नहीं हैं।
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