Ritesh sold a pen for Rs. 36 with a profit of 20%. If it were sold for Rs. 33, then what could be the percentage of profit or loss?

A is twice as efficient as B in writing novels. Together they can complete the task of writing a novel in 24 days. In how many days can A write the novel alone?

Find the minimum value of $$ {25 cosec^{2}θ +25sin^{2}θ}$$

A started a business with a capital of Rs.1,12,000. After 2 months, B joined the business with a capital of Rs.80,000 and after another 2 months, C joined the business with a capital of Rs.72,000. After 10 months from the start of the business, B withdrew Rs.8,000 and C also with drew Rs.8,000. If B received Rs.9,800 as his share in the profit at the end of a year, then the total profit was:

If $$ {secθ+tanθ\over secθ - tanθ} $$= $$ 2{51\over 79} $$ sinθ then the value of sin θ is :

The average of five natural numbers is p. If the next three numbers are included then how much the average of these 8 numbers exceeds than the average p?

There is 10% loss if an article is sold at Rs. 270. Then the cost price of the article is

Mr. Kulbhushan spends 35% of his income on food, 25% on transportation and 80% of the remaining on house rent. What percent of his income he is left with?