1. Rs.5,123

2. Rs.5,213

3. Rs.5,251

4. Rs.5,215

5. none of these

1. 20%

2. 35%

3. 17 1/2%

4. 33 1/3%

5. none of the above

1. 10 liters

2. 9 liters

3. 8 liters

4. 6 liters

5. none of these

1. f : R ® R, f (x) = cos x

2. f : R ® [-1 , 1], f (x) = cos x

3. f : [0, p ] ® R, f(x) = cos x

4. f : [p, 2p] ® [-1 , 1], f (x) = cos x

5. none of these

1. $31,500

2. $21,500

3. $13,500

4. $33,500

5. none of the above