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Expressions using Letter-Numbers · Class 7

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

NCERT: Class 7 Ganita Prakash Part I, Chapter 4: Expressions using Letter-Numbers. 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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Expressions using Letter-Numbers · English

Name: ____________________Date: ____________

Questions

  1. If a = 4, what is 3a + 5?

  2. A pencil costs p rupees. 6 pencils cost ₹42. What is p?

  3. If x = 3 and y = 5, what is 2x + y?

Answer key

  1. 17 — 3a means 3 × a = 12; 12 + 5 = 17.
  2. 7 — 6p = 42, so p = 42 ÷ 6 = 7.
  3. 11 — 2 × 3 + 5 = 6 + 5 = 11.

अक्षर-संख्याओं वाले व्यंजक · हिन्दी

नाम: ____________________तारीख़: ____________

प्रश्न

  1. अगर a = 4 है, तो 3a + 5 कितना है?

  2. एक पेंसिल p रुपये की है। 6 पेंसिलें ₹42 की हैं। p कितना है?

  3. अगर x = 3 और y = 5 है, तो 2x + y कितना है?

उत्तर

  1. 17 — 3a मतलब 3 × a = 12; 12 + 5 = 17।
  2. 7 — 6p = 42, तो p = 42 ÷ 6 = 7।
  3. 11 — 2 × 3 + 5 = 6 + 5 = 11।

अक्षर-संख्या वापरून राशी · मराठी

नाव: ____________________दिनांक: ____________

प्रश्न

  1. जर a = 4 असेल, तर 3a + 5 किती?

  2. एक पेन्सिल p रुपयांची आहे. 6 पेन्सिली ₹42 च्या आहेत. p किती?

  3. जर x = 3 आणि y = 5 असेल, तर 2x + y किती?

उत्तरे

  1. 17 — 3a म्हणजे 3 × a = 12; 12 + 5 = 17.
  2. 7 — 6p = 42, म्हणून p = 42 ÷ 6 = 7.
  3. 11 — 2 × 3 + 5 = 6 + 5 = 11.

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