Concept-wise Practice
zero term MCQ Questions for Class 10
zero term se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.
Practice Questions
3 questions tagged with zero term.
एक समान्तर श्रेणी में (a=48) और (d=-3) है। कौन-सा पद (0) होगा?
In an AP, (a=48) and (d=-3). Which term will be (0)?
Explanation opens after your attempt
Correct Answer
C. (17)वां/(17)th
Step 1
Concept
From (0=48+(n-1)(-3)), (3(n-1)=48) so (n=17). Use the usual formula even for the zero term.
Step 2
Why this answer is correct
The correct answer is C. (17)वां / (17)th. From (0=48+(n-1)(-3)), (3(n-1)=48) so (n=17). Use the usual formula even for the zero term.
Step 3
Exam Tip
(0=48+(n-1)(-3)) से (3(n-1)=48) इसलिए (n=17)। शून्य पद के लिए भी सामान्य सूत्र लगाएं।
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एक समान्तर श्रेणी में (a=30) और (d=-2) है। कौन-सा पद (0) होगा?
In an AP, (a=30) and (d=-2). Which term will be (0)?
Explanation opens after your attempt
Correct Answer
C. (16)वां/(16)th
Step 1
Concept
From (0=30+(n-1)(-2)), (2(n-1)=30), so (n=16). Use the same nth-term formula even for the zero term.
Step 2
Why this answer is correct
The correct answer is C. (16)वां / (16)th. From (0=30+(n-1)(-2)), (2(n-1)=30), so (n=16). Use the same nth-term formula even for the zero term.
Step 3
Exam Tip
(0=30+(n-1)(-2)) से (2(n-1)=30), अतः (n=16)। शून्य पद के लिए भी वही (n)वां पद सूत्र लगाएं।
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समांतर श्रेढ़ी \(200,180,160,140,\ldots\) का (11)वाँ पद क्या है?
What is the (11)th term of the AP \(200,180,160,140,\ldots\)?
Explanation opens after your attempt
Step 1
Concept
Here (d=-20), so (a_{11}=200+10(-20)=0). In a decreasing AP, a term can also become zero.
Step 2
Why this answer is correct
The correct answer is D. (0). Here (d=-20), so (a_{11}=200+10(-20)=0). In a decreasing AP, a term can also become zero.
Step 3
Exam Tip
यहाँ (d=-20) है, इसलिए (a_{11}=200+10(-20)=0)। घटती श्रेढ़ी में पद शून्य भी हो सकता है।
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