Quantitative Aptitude - Arithmetic Ability Questions

A, B and C start a business and the ratio of their investment is 8 : 5 : 3. If at the end the ratio of their profits is 4 : 15 : 6, then what is the ratio of time period of their investment?

If cosecA + cotA = x, then value of x is

Akshar remembers that the match is after 26th April but before 30th April, while Suresh remembers that the match is after 22nd April but before 28th April. On which date of April is the match?

How many times the keys of a typewriter have to be pressed in order to write numbers from 121 to 1346?

What is the value of cosec -150°?

The cost price of 25 books is equal to the selling price of 20 books. The profit percent is

Divyansh's birthday is on Sunday 16th July. On what day of the week will be Shaan's Birthday in the same year if Shaan was born on 1st August?

80 litre mixture of milk and water contains 10% milk. How much milk (in litres) must be added to make water percentage in the mixture as 80%?