Question 1

The first natural number is ____.
A) 1
B) 0
C) -1
D) 2

Question 2

If 20 = 6 + 2x, then the value of x is ____.
A) 5
B) 7
C) 4
D) 1

Question 3

If each angle of a polygon is less than 180^o, then it is called a concave polygon.
A) True
B) False

Question 4

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

Question 5

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

Question 6

The square of  is ____.
A)
B)
C)
D) 245

Question 7

The cube root of -27000 is ____.
A) 30
B) -30
C) 35
D) -35

Question 8

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 %

Question 9

The degree of  is ____.
A) 1
B) 2
C) 3
D) 4

Question 10

B)

C)

D)