Sanjay and Komal started a business investing Rs. 15,000 each. After 8 months Komal withdrew Rs. 10,000 from his share. If they get Rs. 32,000 as profit at the end of the year, how much share of profit should Sanjay get?

1) Rs. 18000

2)  Rs. 16000

3)  Rs. 12800

4)  Rs. 19200

A single discount equivalent to a dis­count series of 40%,20% and 10% is

  (1) 40.2%               .

  (2) 43.2%

  (3) 48.2%               

  (4) 56.8%

A walks at 4 kmph and 4 hours.after his start, B cyc1es after him at 10, kmph.How far from the' start does a catch up with A

1)     16.7 km

2)     18.6km

 3)  21.5 km

4)  26.7

If A and B are square matrices of the same order such that AB = A and
BA =B, then (A +B ) is equal to:

1. A - B
2. A + B
3. AB
4. None of these