Maths quiz -7.
121. What is three fifth of 100?
122.. Find the sum of 111 + 222 + 333
123.what is the sum of the measure of three angles of a triangle?
Ans. 180°.
124..How many faces are there for a cube?
Ans. 6.
125.The sum of first five multiple of 6 is__
Ans. 90.
126..How many prime no.are there from 1 to 100?
Ans. 25.
127.What is the formula of triangle?
Ans. ∆ = 1/2 ( base × height ).
128 Every rational number is ?
Ans. real number.
129. A Polynomial with one degree is called ?
Ans : linear polynomial.
130. If the coordinates of a point are (0,-4) then lies in ?
Ans :Y-axis.
131. If the coordinates of a point are (3,0) then lies in ?
Ans :x-axis
132. If the coordinates of a point are (-3,4) then lies in ?
Ans : second quadrant
133. A Cuboid has ........... dimension.
Ans :3 dimensions
134. A point has ........... dimension.
Ans :zero
135. In a Right triangle the longest side is ......... .
Ans : Hypotenuse
136. An acute angle is ..........than 90 degree.
Ans : less than 90⁰.
137.The center of the circle lies in ............. of the circle.
Ans : Interior
138. .What is the meaning of metro in trigonometry ?
Ans : Measure
The word trigonometry comes from the Greek words trigon, meaning “triangle” and metron, meaning “measure,” so trigonometry means “triangle measure,” that is, measuring the sides and angles of triangles.
139. Who is the father of mathematics?
Ans: Archimedes
140. Where trigonometry use in mathematics?
Trigonometry is used in measuring the height of a building or a mountain. The distance of a building from the viewpoint and the elevation angle can easily determine the height of a building using the trigonometric functions.
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