The mean proportional between 4 and 9 is :

1. 4

2. 6

3. 9

4. 36

Which of the following cannot be determined graphically for a grouped frequency distribution ?

1. Median

2. Mode

3. Quartiles

4. Mean

Naveen deposits ₹ 800 every month in a recurring deposit account for 6 months. If he receives ₹ 4884 at the time of maturity, then the interest he earns is :

1. ₹ 84

2. ₹ 42

3. ₹ 24

4. ₹ 284

The solution set for the inequation 2x + 4 ≤ 14, x ∈ W is :

1. {1, 2, 3, 4, 5}

2. {0, 1, 2, 3, 4, 5}

3. {1, 2, 3, 4}

4. {0, 1, 2, 3, 4}