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Proportional Reasoning-1 · Class 8

3 questions · English, हिन्दी, मराठी · answer key with explanations ·

NCERT: Class 8 Ganita Prakash Part I, Chapter 7: Proportional Reasoning-1. Our own questions in the chapter's style, drafted with AI help, every answer checked step by step; teacher review pending. Hindi and Marathi: translation - review pending.

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Proportional Reasoning-1 · English

Name: ____________________Date: ____________

Questions

  1. 4 pens cost ₹60. How much do 7 pens cost?

  2. On a map, 1 cm stands for 5 km. How many km does 8 cm stand for?

  3. ₹600 is shared between two people in the ratio 1 : 2. How much is the bigger share?

Answer key

  1. 105 — One pen costs 60 ÷ 4 = ₹15, so 7 pens cost 7 × 15 = ₹105.
  2. 40 — 8 × 5 = 40 km.
  3. 400 — 1 + 2 = 3 parts; one part = 600 ÷ 3 = ₹200; the bigger share is 2 parts = ₹400.

आनुपातिक तर्क-1 · हिन्दी

नाम: ____________________तारीख़: ____________

प्रश्न

  1. 4 पेन ₹60 के हैं। 7 पेन कितने के?

  2. नक़्शे पर 1 सेमी = 5 किमी। 8 सेमी कितने किमी दिखाता है?

  3. ₹600 दो लोगों में 1 : 2 के अनुपात में बाँटे गए। बड़ा हिस्सा कितना है?

उत्तर

  1. 105 — एक पेन 60 ÷ 4 = ₹15, तो 7 पेन 7 × 15 = ₹105।
  2. 40 — 8 × 5 = 40 किमी।
  3. 400 — 1 + 2 = 3 भाग; एक भाग = 600 ÷ 3 = ₹200; बड़ा हिस्सा 2 भाग = ₹400।

प्रमाणशीर तर्क-1 · मराठी

नाव: ____________________दिनांक: ____________

प्रश्न

  1. 4 पेन ₹60 चे आहेत. 7 पेन किती रुपयांचे?

  2. नकाशावर 1 सेमी = 5 किमी. 8 सेमी किती किमी दाखवतात?

  3. ₹600 दोन व्यक्तींमध्ये 1 : 2 या गुणोत्तरात वाटले. मोठा वाटा किती?

उत्तरे

  1. 105 — एक पेन 60 ÷ 4 = ₹15, म्हणून 7 पेन 7 × 15 = ₹105.
  2. 40 — 8 × 5 = 40 किमी.
  3. 400 — 1 + 2 = 3 भाग; एक भाग = 600 ÷ 3 = ₹200; मोठा वाटा 2 भाग = ₹400.