Question 8 - NCERT Exemplar - MCQ - Chapter 6 Class 10 Triangles

Last updated at August 14, 2026 by

If in two triangles DEF and PQR, ∠ D = ∠ Q and ∠ R = ∠ E, then which of the following is not true?

(A) EF/PR = DF/PQ 

(B) DE/PQ = EF/RP

(C) DE/QR = DF/PQ 

(D) EF/RP = DE/QR

[MCQ] - If in two triangles DEF and PQR, ∠ D = ∠ Q and ∠ R = ∠ E - NCERT Exemplar - MCQ

part 2 - Question 8 - NCERT Exemplar - MCQ - Serial order wise - Chapter 6 Class 10 Triangles
part 3 - Question 8 - NCERT Exemplar - MCQ - Serial order wise - Chapter 6 Class 10 Triangles

Take a fresh quiz. Then take another.
Every attempt is a new AI-adaptive Teachoo quiz with 3 questions, selected from your answers, mistakes, and progress.
Remove Ads
Teachoo · Class 10 Explore Class 10

Transcript

Question 8 If in two triangles DEF and PQR, ∠ D = ∠ Q and ∠ R = ∠ E, then which of the following is not true? (A) EF/PR = DF/PQ (B) DE/P𝑄 = EF/RP (C) DE/QR = DF/PQ (D) EF/RP = D𝐸/QR Our triangles look like ∴ Δ DEF ~ Δ QRP Now, 𝐸𝐹/𝑃𝑅=𝐷𝐹/𝑃𝑄 So, (a) is true Also, 𝐷𝐸/𝑄𝑅=𝐷𝐹/𝑃𝑄 So, (c) is true And, EF/RP=𝐷𝐸/𝑄𝑅 So, (d) is true Thus, only (b) is not true So, the correct answer is (B)

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh is an IIT Kanpur graduate and has been teaching for 16+ years. At Teachoo, he breaks down Maths, Science and Computer Science into simple steps so students understand concepts deeply and score with confidence.

Many students prefer Teachoo Black for a smooth, ad-free learning experience.