A fuel dealer mixes two brands of fuel which cost in the ratio 2:3. A solution containing 30% Brand A and remaining Brand B yields profit of 10% when sold at RS 297. What is cost of brand B?

A company charges a fixed rental of Rs. 350 per month. It allows 200 calls free per month. Each call is charge at Rs. 1.4 when the number of calls exceed 200 per month and it charges Rs. 1.6 when the number of calls exceeds 400 per month and so on. A customer made 150 calls in February and 250 calls in march. By how much percent each call is cheaper in March than each call in February.

• [A] 28%
• [B] 25%
• [C] 18.5%
• [D] 16%
• [E] None of these

A reduction of 10% in the price of tea enables a dealer to purchase 25 kg more tea for Rs. 22500. What is the reduced price per kg of tea?

• [A] Rs. 70
• [B] Rs. 80
• [C] Rs. 90
• [D] Rs. 100

The cost price of a dozen mangoes is equal to the selling price of 10 mangoes. The selling price of apples per piece is the cost of a mango (per piece). If the profit % made on selling an apple is half that of selling a mango, then what is the cost (in Rs.)  of an apple if the selling price of one mango is Rs. X?

• [A] x/6
• [B] 5x/6
• [C] 25x/33
• [D] 33x/25

The price of an article reduces to 576 after two successive discounts. The markup is 80% above the cost price of Rs. 500. What is the new profit percentage if instead of two successive discounts the markup price was further increased successively two times by the same percentage?

• [A] 259.2%
• [B] 157%
• [C] 159.2%
• [D] 300%
• [E] None of these

Farmer Jones sold a pair of cows for Rs.210, on one he made a profit of ten percent and on the other he lost ten percent. Altogether he made a profit of five percent. How many did each cow originally cost him?

• [A] 120, 80
• [B] 150, 60
• [C] 130, 60
• [D] 100, 80
• [E] 150, 50