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}

Salman deposits ₹ 1,000 every month in a recurring deposit account for 2 years. If he receives ₹ 26,000 on maturity, find :

(a) total interest he earns

(b) the rate of interest.

In the given figure O, is the center of the circle. CE is a tangent to the circle at A. If ∠ABD = 26°, then find :

(a) ∠BDA

(b) ∠BAD

(c) ∠CAD

(d) ∠ODB