Quantitative Aptitude - Arithmetic Ability Questions

38% of a number is 133. What is the number?

If Cos θ = 15/17 , then what is the value of Cosec θ?

If a:b = 5:8, find the value of (6a -­ 5b)/(a + 2b).

Pranita got 30 marks more in Math than what she got in Science. Her Math marks are 60% of the sum of her Math and Science marks. What are her Science marks?

The selling price of an article is Rs 816 if the discount on it is 15%. What would be the selling price of the article (in Rs) if the discount on it is 25%?

A sum of Rs. 1200 is lent to be paid back in 5 equal annual installments of Rs. 264 each. The rate of interest per annum is

An army of 12000 consists of Europeans and Indians. The average height of a European is 5ft 10 inches and that of an Indian is 5ft 9 inches and that of the whole army is 5ft 9 3/4 inches. Then the number of Indians in the army is ?

Akash starts a business with Rs 85000 and Payal joins him with Rs 102000. If the profit at the end of a year is divided in the ratio 1 : 1, then after how many months did Payal join Akash?