A trader mixes two types of sugar, one costing Rs. 75 per kg and other Rs. 60 per kg in the ratio of 5 : 3. He then sells the mixture for Rs. 70 per kg, find his profit percentage.

Big Bazaar offered a flat discount of 30% on every bill of Rs 10000 or more. Additionally, the shop also provided a 10% discount as summer sale, and for a premium member additional 10% discount was given as loyalty bonus. In a clearance sale, the shop allowed a flat discount of 40% on every purchase of Rs 10000, but it reduced the summer discount and loyalty discount to 5% each. Find the difference in the amount of the two schemes.

While forming some integers, a student was instructed to use all the numbers of a specific set given to him and follow a certain rule. The rule was to put odd numbers at odd places and even number at even places only, no matter what. The set of numbers was {8, 1, 7, 1, 8, 7, 6, 2, 1}. How many numbers can the student form?

Which of the following will be the number of sides of a polygon whose diagonals are 4 times the number of its sides?

5 parallel lines are insected by other 8 parallel lines. What are the total number of parallelogram formed?

Some mangoes were brought at the rate of 16 for Rs 12 and the same number of mangos were bought at the rate of 24 for Rs 20. All the mangoes were sold at the rate of 30 for Rs 30. Find the overall gain or loss made on the whole transaction.

A shopkeeper allows 28% discount on item A and 16% on item B. The difference between the selling prices of two items is Rs 420 and the sum of mark price of two items is Rs 6000.By what percentage the marked price of item A is more or less than item B.

The ratio of cost price to marked price of an article is 5:8 and the ratio of profit percent to percentage of discount allowed on the same article is 2:3. Find the percent of discount allowed on the article.

The weight of Sahitya increased by 6% from the month January. He then followed a rigorous exercise routine for two weeks and reduced his weight, and the digits of his increased weight got interchanged by his reduced weight. He Also noticed that he decreased 9 kg and as compared to the month of January his weight was only 2.4 % more. Find the mass of Sahitya in January. 

8% more is gained by selling an umbrella for Rs. 965 than by selling it for Rs. 897. Find the cost price of the umbrella.

In how many ways can 2 cats and 4 dogs be arranged in a row such that all the cats are together and all the dogs are together?

A mother decided to buy 16 chocolates for her 4 children. In how many ways can she divide the chocolates equally into 4 lunch boxes?

Find the number of permutations and combinations if n = 8 and r = 2.

A cow is sold for Rs.1230 at a loss of 18%. What would have been the gain or loss percent, if it had been sold for Rs.1600?

For a family photograph, 4 females and 4 males stand in a line in all the possible ways. How many photos would be taken if each photo corresponds to each such arrangement?