Quantitative Aptitude - Arithmetic Ability Questions

A sum fetched a total simple interest of Rs 1200 at the rate of 7.5%/yr in 4 years. What is the sum (in Rs)?

P and Q can complete a task in 50 and 20 days respectively. In how many days can they complete 70% of the task if they work together?

A invested an amount of x rupees in a bank for 2 years which gave 5% interest in year 1 and 6% interest in year 2. The amount received after 2 years is Rs 24,486. What is the value of x?

Veer spends 15% of his monthly income on the house rent and 60% of the rest on household expenditure. If he saves Rs. 2210, what is his monthly income?

Given that tan(θ + 15°) = √3. Then the value of θ is?

Choose the one which is odd from the following options.

By increasing the price of entry ticket to a fair in the ratio 7:17, the number of visitors to the fair has decreased in the ratio 9:5. In what ratio has the total collection increased or decreased?

The ratio of the number of marbles that Joyee and Minati had was 5 : 8 while the ratio of the number of marbles that Jacob and Minati had was 7 : 12. What is the ratio of the number of marbles that Joyee and Jacob had?