Short Quiz

Question 1 of 5

CBSE Board Exam 2026

In \(\triangle \mathrm{DEF}, \mathrm{AB} \| \mathrm{EF}\). The value of x is :

A \(0,2\) B 2 only C -2 D 1

Select one option. Answers are shown after the test.

Question 2 of 5

CBSE Board Exam 2026

It is given that \(\triangle \mathrm{ABC} \sim \triangle \mathrm{QRP}\) such that \(\mathrm{AB}=9 \mathrm{~cm}, \mathrm{BC}=5 \mathrm{~cm}\) and \(\mathrm{PR}=2 \mathrm{~cm}\). Length of side QR is :

A 0.9 cm B \(\frac{5}{18} \mathrm{~cm}\) C \(\frac{10}{9} \mathrm{~cm}\) D 3.6 cm

Select one option. Answers are shown after the test.

Question 3 of 5

NCERT Exemplar

If in triangles \(A B C\) and \(D E F, \frac{A B}{D E}=\frac{B C}{F D}\), then they will be similar, when

A \(\angle B=\angle E\) B \(\angle A=\angle D\) C \(\angle B=\angle D\) D \(\angle A=\angle F\)

Select one option. Answers are shown after the test.

Question 4 of 5

NCERT Exemplar

If S is a point on side PQ of a \(\triangle \mathrm{PQR}\) such that \(\mathrm{PS}=\mathrm{QS}=\mathrm{RS}\), then

A \(\mathrm{PR} \cdot \mathrm{QR}=\mathrm{RS}^2\) B \(\mathrm{QS}^2+\mathrm{RS}^2=\mathrm{QR}^2\) C \(P R^2+Q R^2=P Q^2\) D \(\mathrm{PS}^2+\mathrm{RS}^2=\mathrm{PR}^2\)

Select one option. Answers are shown after the test.

Question 5 of 5

NCERT Exemplar

If in two triangles DEF and \(\mathrm{PQR}, \angle \mathrm{D}=\angle \mathrm{Q}\) and \(\angle \mathrm{R}=\angle \mathrm{E}\), then which of the following is not true?

A \(\frac{\mathrm{EF}}{\mathrm{PR}}=\frac{\mathrm{DF}}{\mathrm{PQ}}\) B \(\frac{\mathrm{DE}}{\mathrm{PQ}}=\frac{\mathrm{EF}}{\mathrm{RP}}\) C \(\frac{\mathrm{DE}}{\mathrm{QR}}=\frac{\mathrm{DF}}{\mathrm{PQ}}\) D \(\frac{\mathrm{EF}}{\mathrm{RP}}=\frac{\mathrm{DE}}{\mathrm{QR}}\)

Select one option. Answers are shown after the test.

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