Quantitative Aptitude - Arithmetic Ability Questions

What is the diameter (in cm) of a sphere of surface area 154 sq cm?

Radius of cross section of a solid right circular cylindrical rod is 3.2 dm. The rod is melted and 44 equal solid cubes of side 8 cm are formed. The length of the rod is (Take Π = 22/7)

If 1+y16-74, then the value of 5y-15

What is the value of (tan45° + 1/√2) ?

After buying a toy for Rs. 66, Raghu managed to sell it at a profit of 15%. The selling price of the toy was

M borrowed some money for 1 year at certain simple interest. But the interest rate was increased to 2% which amounted to Rs.120. Find the principal amount.

The average of three numbers is 6. The average of the first two is 5 while the average of the last two is 8. The three numbers are:

­ What is the equation of the line if its slope is 3/4 and y­intercept is 5?