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staircase MCQ Questions for Class 10

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3 questions tagged with staircase.

Question 1/3 Expert Mathematics Arithmetic Progressions (AP) Word problems based on APs Class 10 Level 71

एक सीढ़ी में नीचे की पंक्ति में (180) टाइलें हैं और हर ऊपर की पंक्ति में (8) टाइलें कम हैं। किस पंक्ति में (68) टाइलें होंगी?

A staircase has (180) tiles in the bottom row and (8) fewer tiles in each upper row. Which row will have (68) tiles?

Explanation opens after your attempt
Correct Answer

C. (15)

Step 1

Concept

From (180+(n-1)(-8)=68), (n=15). Exam tip: handle the sign carefully in a decreasing AP.

Step 2

Why this answer is correct

The correct answer is C. (15). From (180+(n-1)(-8)=68), (n=15). Exam tip: handle the sign carefully in a decreasing AP.

Step 3

Exam Tip

(180+(n-1)(-8)=68) से (n=15) मिलता है। परीक्षा में घटती श्रेणी में चिन्ह सावधानी से रखें।

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Question 2/3 Hard Mathematics Arithmetic Progressions (AP) Word problems based on APs Class 10 Level 72

एक सीढ़ी में नीचे की पंक्ति में (132) टाइलें हैं और हर ऊपर की पंक्ति में (6) टाइलें कम हैं। किस पंक्ति में (54) टाइलें होंगी?

A staircase has (132) tiles in the bottom row and (6) fewer tiles in each upper row. Which row will have (54) tiles?

Explanation opens after your attempt
Correct Answer

D. (14)

Step 1

Concept

From (132+(n-1)(-6)=54), (n=14). Exam tip: handle the sign carefully in a decreasing AP.

Step 2

Why this answer is correct

The correct answer is D. (14). From (132+(n-1)(-6)=54), (n=14). Exam tip: handle the sign carefully in a decreasing AP.

Step 3

Exam Tip

(132+(n-1)(-6)=54) से (n=14) मिलता है। परीक्षा में घटती श्रेणी में चिन्ह सावधानी से रखें।

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Question 3/3 Hard Mathematics Arithmetic Progressions (AP) Word problems based on APs Class 10 Level 71

एक सीढ़ी में नीचे की पंक्ति में (110) टाइलें हैं और हर ऊपर की पंक्ति में (5) टाइलें कम हैं। किस पंक्ति में (55) टाइलें होंगी?

A staircase has (110) tiles in the bottom row and (5) fewer tiles in each upper row. Which row will have (55) tiles?

Explanation opens after your attempt
Correct Answer

C. (12)

Step 1

Concept

From (110+(n-1)(-5)=55), (n=12). Exam tip: handle the sign carefully in a decreasing AP.

Step 2

Why this answer is correct

The correct answer is C. (12). From (110+(n-1)(-5)=55), (n=12). Exam tip: handle the sign carefully in a decreasing AP.

Step 3

Exam Tip

(110+(n-1)(-5)=55) से (n=12) मिलता है। परीक्षा में घटती श्रेणी में चिन्ह सावधानी से रखें।

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