Concept-wise Practice
dimension MCQ Questions for Class 10
dimension se related questions ko ek jagah revise karein. Har question me bilingual content, answer feedback aur explanation available hai.
Practice Questions
5 questions tagged with dimension.
एक आयत की लंबाई चौड़ाई से (19) सेमी अधिक है और क्षेत्रफल (2772) वर्ग सेमी है। लंबाई क्या है?
A rectangle has length (19) cm more than its breadth and area (2772) square cm. What is the length?
Explanation opens after your attempt
Correct Answer
C. (63) सेमी/(63) cm
Step 1
Concept
Taking breadth as (x), (x(x+19)=2772), giving (x=44). So the length is (63) cm.
Step 2
Why this answer is correct
The correct answer is C. (63) सेमी / (63) cm. Taking breadth as (x), (x(x+19)=2772), giving (x=44). So the length is (63) cm.
Step 3
Exam Tip
चौड़ाई (x) लेने पर (x(x+19)=2772), जिससे (x=44) मिलता है। इसलिए लंबाई (63) सेमी है।
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एक आयत की लंबाई चौड़ाई से (16) सेमी अधिक है और क्षेत्रफल (2145) वर्ग सेमी है। लंबाई क्या है?
A rectangle has length (16) cm more than its breadth and area (2145) square cm. What is the length?
Explanation opens after your attempt
Correct Answer
C. (55) सेमी/(55) cm
Step 1
Concept
Taking breadth as (x), (x(x+16)=2145), giving (x=39). So the length is (55) cm.
Step 2
Why this answer is correct
The correct answer is C. (55) सेमी / (55) cm. Taking breadth as (x), (x(x+16)=2145), giving (x=39). So the length is (55) cm.
Step 3
Exam Tip
चौड़ाई (x) लेने पर (x(x+16)=2145), जिससे (x=39) मिलता है। इसलिए लंबाई (55) सेमी है।
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एक आयत की लंबाई चौड़ाई से (18) सेमी अधिक है और क्षेत्रफल (1240) वर्ग सेमी है। लंबाई क्या है?
A rectangle has length (18) cm more than its breadth and area (1240) square cm. What is the length?
Explanation opens after your attempt
Correct Answer
C. (49) सेमी/(49) cm
Step 1
Concept
If breadth is (x), then (x(x+18)=1240), giving (x=31). Hence the length is (49) cm.
Step 2
Why this answer is correct
The correct answer is C. (49) सेमी / (49) cm. If breadth is (x), then (x(x+18)=1240), giving (x=31). Hence the length is (49) cm.
Step 3
Exam Tip
चौड़ाई (x) हो तो (x(x+18)=1240), जिससे (x=31) है। अतः लंबाई (49) सेमी है।
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एक आयत की लंबाई चौड़ाई से (12) सेमी अधिक है और क्षेत्रफल (864) वर्ग सेमी है। लंबाई क्या है?
A rectangle has length (12) cm more than its breadth and area (864) square cm. What is the length?
Explanation opens after your attempt
Correct Answer
C. (36) सेमी/(36) cm
Step 1
Concept
If breadth is (x), then (x(x+12)=864), giving (x=24). Hence the length is (36) cm.
Step 2
Why this answer is correct
The correct answer is C. (36) सेमी / (36) cm. If breadth is (x), then (x(x+12)=864), giving (x=24). Hence the length is (36) cm.
Step 3
Exam Tip
चौड़ाई (x) हो तो (x(x+12)=864), जिससे (x=24) है। अतः लंबाई (36) सेमी है।
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एक आयत की लंबाई चौड़ाई से (2) मीटर अधिक है और क्षेत्रफल (120) वर्ग मीटर है। चौड़ाई क्या है?
A rectangle has length (2) m more than its breadth and area (120) square m. What is the breadth?
Explanation opens after your attempt
Correct Answer
B. (10) मीटर/(10) m
Step 1
Concept
If breadth is (x), then (x(x+2)=120), giving (x=10). Only the positive value is valid for a dimension.
Step 2
Why this answer is correct
The correct answer is B. (10) मीटर / (10) m. If breadth is (x), then (x(x+2)=120), giving (x=10). Only the positive value is valid for a dimension.
Step 3
Exam Tip
चौड़ाई (x) हो तो (x(x+2)=120), जिससे (x=10) है। केवल धनात्मक मान ही आयाम के लिए मान्य होता है।
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