Quantitative Aptitude - Arithmetic Ability Questions

Convert decimal number 101 to binary.

A person bought an item for Rs. 1500 and sold it at a profit of 12%. What was the selling price of the item?

Vikash purchased 5 bananas for Rs.4 and sold 4 bananas for Rs.5. Calculate his % profit?

P does half as much work as Q in 1/3 of the time. If together they take 15 days to complete a work, how many days will P take to do it alone?

If x2-3x+1=0, then x+1x is (x≠0)

The area of a rhombus is 24 m2 and the length of one of its diagonals is 8 m. The length of each side of the rhombus will be:

What is the perimeter of the sector whose central angle is 60° and radius of the circle is 21 cm?

30% of a number exceeds 25% of the same number by 27. What is the value of the number?