Difficult - MISQB

The area of a rectangle is 45 cm2. If its length is 9 cm, then its width is ________ cm.

(Write the numerical answer only - no unit needed)

The sum of the digits of a certain two-digit number is 7. Reversing its digits increases the number by 9. What is the number?

Find the solution x to the equation:

x - 1 + x - 2 + x - 3 = 0

(Write the numerical answer only - no unit needed)

A piglet is to be fed with 500 grams of highly nutritious feed. How many kilograms of feed are needed in 4 weeks for a dozen piglets?

(Write the numerical answer only - no unit needed)

The inside length of a three – level bookshelf is 1.5 meters. How many identical books can be placed in the bookshelf if each book has a thickness of 1.5 cm?

(Write the numerical answer only - no unit needed)

What is the sum of the first 20 even numbers?

You are asked to find a missing angle of a right triangle, if one of the angles is 32 degrees what is the measurement of the missing angle?

(Write the numerical answer only - no unit needed)

The product of two numbers is 2,345. If one of the given numbers is -35, what is the other number?

How many squares with the side of 2 cm cover the surface of a rectangle with a length of 24 cm and a width of 8 cm?

(Write the numerical answer only)