Quantitative Aptitude - Arithmetic Ability Questions

Compute 33800/520/5

A businessman imported Laptops, worth Rs 210000, Mobile phones worth Rs 100000 and Television sets worth Rs 150000. He had to pay 10% duty on laptops, 8% on Phones and 5% on Television sets as a special case. How much total duty (in Rupees) he had to pay on all items as per above details?

A person borrows some money for 8 years at a rate of simple interest. If the ratio of principal and total interest is 5 : 8, then what is the rate ( inpercentage) of interest?

In a cyclic quadrilateral ABCD , the side AB is extended to a point X. If ∠XBC = 82° and ∠ADB = 47° , then the value of ∠BDC is

What is the HCF (highest common factor) of 77 and 275?

28% of a number is 35. What is the number?

If cos -225° = x, then the value of x is

What is the value of (cot45 - √2) ?