Curioustab

Home » Aptitude » Volume and Surface Area

ΔABC is isosceles having AB = AC and ∠A = 40°. Bisectors PO and OQ of the exterior angles ∠ABD and ∠ACE formed by producing BC on both sides, meet at O. Then the value of ∠BOC is

70°
110°
80°
55°

Correct Answer: 70°

← Previous Question Next Question→

More Questions from Volume and Surface Area

A right triangular prism has equilateral triangle as its base. Side of the triangle is 15 cm. Height of the prism is 20√3 cm. What is the volume (in cm3) of the prism?
The radius and height of a solid cylinder are increased by 2% each. What will be the approximate percentage increase in volume?
A sphere of radius 21 cm is cut into 8 identical parts by 3 cuts (1 cut along each axis). What will be the total surface area (in cm2) of each part?
The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then the area of the park (in sq. m) is:
An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is:
The ratio between the perimeter and the breadth of a rectangle is 5 : 1. If the area of the rectangle is 216 sq. cm, what is the length of the rectangle?
The difference between the length and breadth of a rectangle is 23 m. If its perimeter is 206 m, then its area is:
The length of a rectangle is halved, while its breadth is tripled. What is the percentage change in area?
A tank is 25 m long, 12 m wide and 6 m deep. The cost of plastering its walls and bottom at 75 paise per sq. m, is:
A cistern 6m long and 4 m wide contains water up to a depth of 1 m 25 cm. The total area of the wet surface is:

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion