Addition / Subtraction
What does 108 - 63 equal?
45
Sally has a circle with a diameter of 14 inches. She then cuts it it into 14 slices. What is the area of each of her slices in in2? (take pi as 22/7)
11 in2.
There are two ducks in front of a duck, two ducks behind a duck and a duck in the middle. How many ducks are there?
Three ducks.
What does 83 x 6 equal?
498
What disappears as soon as you say its name?
Silence
What does 1436-572 equal?
864
I have a square with a side length of 7 cm. Then, I cut out littler squares with areas of 4 cm2 out of each corner. What is the perimeter of my remaining square?
28 cm.
The day before two days after the day before tomorrow is Saturday. What day is it today?
Friday
What does 1045/11 equal?
95
You measure my life in hours and I serve you by expiring. I’m quick when I’m thin and slow when I’m fat. The wind is my enemy.
A candle
What does 900-780 equal?
120
What was the name of the Greek guy who gave us the formula for calculating the hypotenuse of a right triangle?
A man has 53 socks in his drawer: 21 identical blue, 15 identical black and 17 identical red. The lights are out, and he is completely in the dark. How many socks must he take out to make 100 percent certain he has at least one pair of black socks?
40 socks.
What does 213 x 9 equal?
1917
Which English word has the highest number of consecutive double letters? (eg. woolly mammoth)
bookkeeper
What does 258+270+59 equal?
587
Jerry wants to paint the sides of a cylinder with a radius of 2 cm and a height of 7 cm. How many square centimeters will he paint over, (use 22/7 for your pi approximation, please)
88 cm
Five people were eating apples, A finished before B, but behind C. D finished before E, but behind B. What was the finishing order?
C, A, B, D, E
What does 5360 / 67 equal?
80
Two years ago, John was three times as old as Todd. In three years from now, John will be twice as old as Todd. How old are both now?
John is 17; Todd is 7
What does 543+8695+342+99 equal?
9679
What is the area of an isosceles triangle with a base of 54 cm and a side length of 45 cm?
972 cm2
There are three people (Alex, Ben and Cody), one of whom always tells the truth, one of whom always lies, and one of whom can both lie and tell the truth. Alex says: "Cody always lies." Ben says: "Alex always tells the truth." Cody says: "I can either lie or tell the truth" Who is the knight, who is the knave and who is the spy?
Alex tells the truth
Ben sometimes lies and sometimes tells the truth
Cody always lies
Fill in the blank: 5_3 x 7 = 3871
5
The person that builds it doesn't want it, the person that buys it doesn't need it, and the person that uses it doesn't know it. What is it?
a coffin