Question

Que -- 4 Do as directed. (Each of one marks)
3.
1) State whether following statements are true or fal
1. If two circles are equal, then their radii are equal.
2. A circle has only finite number of equal chords.
2) Answer the following questions in one word or sta
1. What is the probability of certain event?
2. (a + b)2 =
Mode of the data 15,17,15,19,14,18,15,14,16,15,14.20,19,
A) 14 B) 15 C) 16 D) 17
4. The mean weight of six boys in a group is 48 kg. the indivi
49 kg. 46 kg. and 44 kg. the weight of the 6" boy is
A)52 kg B) 52.8 kg
B) 52.8 kg C) 53 kg D) 47 kg
5. A coin is tossed 60 times and the tail appears 35 times. In:
probability of getting a head?
A)
B
C D
6. If p(x) = 5x - 4x2 + 3 then p(-1) = ?
A)2 B)-2 C) 6 D) -6
7. Area of right angled triangle =
8. Area of equilateral triangle =​

Answer 1

Answer:

1. true

2.true

3.baki Ka baad me