Exemplar exercise problems I — task. Mathematics CBSE, Class 10.

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1. If in two triangles \(ABC\) and \(PQR\), \(\frac{AB}{QR} = \frac{BC}{PR} = \frac{CA}{PQ}\), then

\(\Delta PQR \sim \Delta CAB\)
\(\Delta BCA \sim \Delta PQR\)
\(\Delta PQR \sim \Delta ABC\)
\(\Delta CBA \sim \Delta PQR\)

2. In given figure, two line segments \(AC\) and \(BD\) intersect each other at the point \(P\) such that \(PA = 6 \ cm\), \(PB = 3 \ cm\), \(PC = 2.5 \ cm\), \(PD = 5 \ cm\), \(\angle APB = 50^\circ\) and \(\angle CDP = 30^\circ\). Then, \(\angle PBA\) is equal to

\(30^\circ\)
\(100^\circ\)
\(60^\circ\)
\(50^\circ\)

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24. Exemplar exercise problems I

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