Arjun invests ₹ 20,000 in two parts, one part at 8% per annum and the other at 12% per annum interest. His yearly average interest rate comes out to be 9% per annum . Then which of the following are true ?

A. He invests ₹ 15,000 @ 8% interest

B. He invests ₹ 10,000 @ 12% interest

C. He invests ₹ 6000 @ 8% interest

D. He invests ₹ 5,000 @ 12% interest

Choose the correct answer from the options given below:

In what ratio a grocery shopkeeper mix two varieties of pulses worth Rs. 85 per kg and Rs. 100 per kg respectively, so as to get a mixture worth Rs. 92 per kg?

A shopkeeper has 180 kg of cumin seeds, a part of which he sells at 12% profit. The remaining quantity of cumin seeds is of low quality and that is why he sold it at 6% loss. Overall, he made a profit of 8%. The quantity of cumin seeds sold at 6% loss is:

A bank lent out ₹ 25,000 in two parts, one at 7% per annum and other at 11% per annum interest. The yearly average comes out to be 9.4%. The amount lent in two parts will be

Siyaram has 100 kg apples, he sells a part of it at 8% profit and rest of it at 18% profit. The overall profit he earns is 14%. The quantity he sold at 18% profit is:

The average salary per head of the entire staff of a small factory including the managers and technicians is Rs.5750. The average salary per head of the manager is Rs. 20000 and that of technicians is Rs. 5000. If there are four managers, then the number of technicians in the factory is:

The cost of type 1 rice is Rs. 20 per kg and type 2 rice is Rs. 30 per kg. If both Type 1 and Type 2 are mixed in the ratio 2:3, then the price per kg of the mixed variety is