Challenger App

No.1 PSC Learning App

1M+ Downloads
Path of a projectile is in the form of a ....
Which conic is known as "central conic"A. B. C. D.
"Asymptote" is
Which conic shape is widely used in engineering application
Auxiliary views are
Cycloidal curves are included in which groups
The ratio of Isometric view to Isometric projection
Take the odd man out
The maximum number of tangents drawn to a circle from a point outside the circle
The chord passing through the focus of a conic and perpendicular to the axis is called
Bow compass is used for
"Clinograph" is a
Which of the following is not in the group?
A circular lamina inclined 45° to both HP and VP. Which of the following statements is true
At the magnetic poles, amount of dip is
The number of edges in a Octahedron
A solid generated by the revolution of a semicircle about its diameter is called
The instrument that is used for measurement of angles
If 2m +n = m+2n, then m-n is equal to
25% of 200 + 20% of 150 is
Successive discount of 10% and 20% is equivalent to a single discount of
Which of the following is largest ?
If 2x + y = 5 then 4x + 2y is =
If x+y = 6 and 3x-y = 4,, then x-y =
Which of the following number is a perfect square
The area of the floor of a room is 20 m² and that of the larger wall is 15 m² and that of shorter wall is 12 m². find the volume
How many bricks of 20 cm by 10 cm size will be required to pave the floor of a room 8m long and 5m wide
What is the length of sheet 2m wide, required for making an open tank 10m long, 4m wide& 6m height.
A piece of wire 78 cm long is given a shape of an isosceles triangle. The ratio of one equal side to the base is 5:3. The length of base in cm
The surface area of a cube is 150 m² find its volume:
How many cubes of 3 m edge can be cut of a cube of 18 m. edge?
Area of a rectangular field is 1200 m² and its length is 3 times width. What is the perimeter?
The base of a triangle is 25 cm and altitude is 12 cm. Area will be
On the floor of a room, there is carpet measuring 10m x 13m. There is a surround 2.5 m wide The are of the surround is
A rectangular field is 36m long & 30m wide.A path of uniform width and of area 360 m²run around inside it. Find the width
The volume of sphere of diameter 2 m =
How far will a wheel of 1m diameter travel in 200 revolutions?
An isosceles triangle has two equal side of length 'a' and angle between them is α.Then the area of triangle:
Which of the following pair of lines can not be parallel
The curved surface area of a cylinder is double (two times) the base area. The ratio of height to radius:
The radius of a circular sector is doubled.The area will be increased how many times:
Total surface area of hemisphere of radius 1 m is equal to
Area of hexagonal lamina having side 4cm:
The perimeter of a circle, pentagon octagon and hexagon are same. Which is having more area?
The area of a triangle = √(s(s-a) (s-b)(s-c)) Here "s" stands for :
A circular ring is having outside diameter 8cm and inside diameter 6 cm. What should be the area?
The following polygon are inscribed in a circle having same diameter which polygon should have maximum area
The radius of a sphere is doubled, the volume increased how many times
Find the ratio of volumes of a circular cone to a cylinder having same diameter and height:
An alloy of tin and copper consists 20 parts tin and 100 parts copper the % tin in the alloys.