tan45° × sec60° = ?

cos0° × sec0° = ?

sin30° × cos60° = ?

tan60° × cot30° = ??

1 + tan²45° = ??

A value is increased by 20% and then by 10%. Find the net increase ??

A value is decreased by 20% and then by 10%. Find the net change ?

A number becomes 240 after a 20% increase. Find the original number ??

A number is decreased by 25% and then increased by 20%. Find the final value if the original number is 400 ??

A number is increased by 50% and then decreased by 50%. Find the net effect ??

One angle on a straight line is 150°
👉 Find the other angle ?

Two angles of a triangle are 45° and 55°
👉 Find the third angle ?

A triangle is drawn in a semicircle
👉 Find the angle at the circumference ??

Exterior angle of a triangle is 130°
One opposite interior angle is 60°
👉 Find the other interior angle ??

In a triangle, angles are in ratio 2 : 3 : 4
👉 Find all angles ??