Assertion (A) : Classes of the form : 1-10, 11-20, 21-30 etc. are said to be in inclusive form.

Reason (R) : A frequency distribution in which each upper limit as well as lower limit is included is called an inclusive form.

1. A is true, R is false

2. A is false, R is true

3. Both A and R are true

4. Both A and R are false

Assertion (A) : In the exclusive form, the upper and lower limits of a class are respectively known as the true upper limit and true lower limit.

Reason (R) : Class size = $\dfrac{\text{ True lower limit} + \text{ True upper limit}}{2}$

1. A is true, R is false

2. A is false, R is true

3. Both A and R are true

4. Both A and R are false

The distribution of marks of students of a class in a test is shown in the table below.

Which of the following statements are correct?

(i) We can definitely say that no one scored 60 marks.

(ii) The number of students who got at least 30 marks is 12.

1. only (i)

2. only (ii)

3. both (i) and (ii)

4. none of these

Range of 14, 12, 17, 18, 16 and p is 20. If p>0, then p= ?

1. 10

2. 26

3. 32

4. 35