CBSE VIII Maths Set - 2

The first natural number is ____.

A) 1

B) 0

C) -1

D) 2

If 20 = 6 + 2x, then the value of x is ____.

A) 5

B) 7

C) 4

D) 1

If each angle of a polygon is less than 180^{o}, then it is called a concave polygon.

A) True

B) False

To construct a quadrilateral PQRS with PQ = 5 cm, QR = 7 cm, RS = SP = 6.2 cm and the diagonal PR = 9 cm, the steps involved are written below:

(i) Draw a line PR = 9 cm.

(ii) With P as centre draw an arc with radius 5 cm.

(iii) With R as centre and radius 7 cm, draw an arc in the same side which intersects the arc at Q.

(iv) Join P and Q, Q and R, R and S, S and P.

(v) With P as centre and radius 6.2 cm, draw an arc on the side of PR opposite to that of Q.

(vi) With R as centre and radius 6.2 cm, draw another arc on the same side which intersects the arc at S.

The correct sequence of the construction is ____.

A) i, ii, iii, vi, v, iv

B) i, ii, iii, iv, vi, v

C) iii, ii, i, v, vi, iv

D) i, ii, iii, v, vi, iv

The record of a weather station shows that out of the past 250 consecutive days, its weather forecasts were correct 125 times. The probability that it was not correct on a given day is ____.

A) 0.7

B) 0.3

C) 0.5

D) 0.8

The square of is ____.

A)

B)

C)

D) 245

The cube root of -27000 is ____.

A) 30

B) -30

C) 35

D) -35

In an examination, 30 % candidates failed in English, 35% failed in Mathematics and 27 % failed in both the subjects. The percentage of total passed is ____.

A) 61 %

B) 65 %

C) 60 %

D) 62 %

The degree of is ____.

A) 1

B) 2

C) 3

D) 4

A)

B)

C)

D)