ARITHMETIC In the examination Raushan got 25% marks and | Data Interpertation & airthmatic

ARITHMETIC


In the examination Raushan got 25% marks and failed by 64 marks. If he had got 40% marks he would have secured 32 marks more than the pass marks. Find the maximum marks in the examination.

A Raman marked his radio at 25% above the C.P and gave customers 12% discount on cash payment. In this way he gained Rs. 55. Find the cost price of radio.

If the ratio of alcohol and water in a mixture of 85 litres is 11: 6. How much water should be added to make the ratio 5 : 3?

Train A running with the speed of 36 km/hr crosses a pole in 20 seconds. Another train B whose length is 100 metre more than length of train A is running with the speed of 18 km/hr. Find the time taken by train B to cross a platform of length 500 metre.

Ram invested Rs. 8000 at R% for 2 years. Amount received is again invested in scheme B at 12.5% for 1 years. Total interest received is Rs. 3700. Find the value of R.

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