It is not possible to construct a triangle when the lengths of its sides are

1. 6 cm, 7 cm, 8 cm

2. 4 cm, 6 cm, 6 cm

3. 5.3 cm, 2.2 cm, 3.1 cm

4. 9.3 cm, 5.2 cm, 7.4 cm

In △PQR, if ∠R > ∠Q, then

1. QR > PR

2. PQ > PR

3. PQ < PR

4. QR < PR

If triangle ABC is obtuse angled and ∠C is obtuse, then

1. AB > BC

2. AB = BC

3. AB < BC

4. AC > AB

If the lengths of two sides of an isosceles triangle are 4 cm and 10 cm, then the length of the third side is

1. 4 cm

2. 10 cm

3. 7 cm

4. 14 cm