For the following questions answer them individually
Out of 4 numbers, whose average is 60, the first one is onefourth of the sum of the last three. The first number is
The average of 25 observations is 13. It was later found that an observation 73 was wrongly entered as 48. The new average is
If the cost price of 10 articles is equal to the selling price of 8 articles, then gain per cent is
An article is marked 40% above the cost price and a discount of 30% is allowed. What is the gain or loss percentage ?
A man bought oranges at the rate of 8 for 34 and sold them at the rate of 12 for 57. How many oranges should be sold to earn a net profit of 45 ?
A man sells two articles for Rs. 5000 each neither losing nor gaining in the deal. If he sold one of them at a gain of 25%, the other article is sold at a loss of
By selling an article for 144, a person gained such that the percentage gain equals the cost price of the article. The cost price of the article is
Meera had a certain amount, she gave 15% of that amount to Anish, 32% to Rubina and 25% to Sana. 3/4 th of the remaining amount is 8,400.How much did she give Anish?
A reduction of 20% in the price of an apple enables a man to buy 10 apples more for 54. The reduced price of apples per dozen is
Price of a commodity has increased by 60%. By what per cent must a consumer reduce the consumption of the commodity so as not to increase the expenditure ?