General knowledge questions/answers about common and general mathematics for competitive examinations.
1.What is ,the value of “π (pi)” rounded to two decimal places?
Ans. “3.14”..
2.How many degrees, are there in a right angle,?
Ans. “90 degrees”..
3.What is, the value of the square root, of 144,?
Ans. “12”..
4.In a triangle; what is the sum ,of the interior angles,?
Ans. “180 degrees”..
5.What is, the area of a rectangle, with length 5 units, and width 10 units,?
Ans. “50 square units”..
6.How many sides, does a hexagon have,?
Ans. “6 sides”.
7.What is, the value of 8 factorials (8!)?
Ans. “40320’..
8.What is ,the term for a number, that can only be divided evenly, by 1 ,and itself?
Ans. “Prime number”..
9.What is, the formula, to find the circumference of a circle?
Ans. “Circumference = 2πr (where r is the radius)”..
10.What is, the value, of 5 squared (5^2)?
Ans.25
11.How many millimetres, are there in a centimetre?
Ans. “10 millimetres”..
12.What is, the value of the cube root of 27?
Ans. “3”..
13.What is ,the sum of the angles, in a quadrilateral?
Ans. “360 degrees”..
14.What is, the formula, to find the volume of a cube?
Ans. “Volume = side length^3”..
15.How many sides, does a pentagon have?
Ans. “5 sides”..
16.What is the value of 3 to the power of 4 (3^4)?
Ans.81
17.How many degrees are there in a full circle?
Ans.360 degrees
18.What is the formula to find the perimeter of a rectangle?
Ans. Perimeter = 2(length + width)
19.What is the value of the square root of 100?
Ans.10
20.How many centimetres are there in a meter?
Ans.100 centimetres
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