Quantitative Aptitude - Arithmetic Ability Questions

Choose the word is least like the other words in the group

A milkman buys milk at Rs 24 per litre. He adds 1/5 of water to it and sells the mixture at Rs 32 per litre. What will be his gain (in %)?

Solve the following : -1/4 { -45 - (-96) / (-32)} = ?

Price of diesel increased from Rs 45/litre to Rs 50/litre. How much should the consumption of diesel be reduced (in %) so as to increase expenditure by only 5%?

If A = (1/0.4) + (1/0.04) + (1/0.004) + ... upto 8 terms, then what is the value of A?

20% discount is offered on an item. By applying a promo code the customer wins 5% cash back. What is the effective discount?

A man spend 7.5% of his money and after spending 75% of the remaining, he had Rs. 370 left. How much money did he have

Oil equal to 20% of the weight of ground nut is extracted in a mill. The matter left after extraction is sold as cattle feed at the rate of Rs 12.5/kg. The groundnuts are bought at Rs 20/kg. The processing cost is Rs 5/kg. At what price (Rs per kg) should the oil be sold to earn 20% profit on total costs (Total cost = Cost of groundnuts and Processing costs)?