The number of children in 20 families of a locality is given below:
3, 1, 3, 2, 2, 2, 0, 3, 4, 2, 1, 3, 2, 4, 1, 2, 2, 3, 1, 3.
Which of the following frequency tables shows the correct data?
If then the value of p is ____.
In the figure below, AB is a straight line and ∠BOC = 65o
. The measure of ∠AOC is ____.
In the figure below, ∠A + ∠B + ∠C + ∠D + ∠E + ∠F = ____.
If two line segments AB and CD are congruent, then it is represented symbolically as ____.
A) AB < CD
B) AB > CD
C) AB ˜ CD
The value of in percentage form is ____.
A) 42 %
B) 40 %
C) 45 %
D) 50 %
Given a line AB, PQ perpendicular to AB and a point C on PQ such that C is at a distance of 5 cm away from AB. A line DE is drawn through C such that DE is parallel to AB. Given below are the steps of construction.
(i) Draw a line AB.
(ii) Join D to C and extend it to E.
(iii) Mark a point C on PQ such that C is at a distance of 5 cm from AB.
(iv) With C as centre and any convenient radius draw arcs on either sides of C such that they intersect PQ at R and S.
(v) With R as centre and a convenient radius draw an arc.
(vi) With S as centre and same radius draw another arc to intersect the previous arc at D.
(vii) Draw a line PQ perpendicular to AB.
The proper order of steps for construction is ____.
A) ii, i , vii, iii, iv, v, vi
B) i, ii, v, vi, vii, iii, iv
C) iii, i, ii, iv, v, vi, vii
D) i, vii, iii, iv, v, vi, ii
The circumference of a circular disc of radius 21 cm is ____.
A) 128 cm
B) 134 cm
C) 130 cm
D) 132 cm
If a = 2 and b = -2, then the value of is ____.