Fill in the missing numbers in this number series.
16, 26, ?, 43, 50, ?, 61, 65, ?, 70, 71
The method to create the series is start by adding 10, then decrease the addend by 1 for each new number in the sequence. That gives us:
16 + 10 = 2635 56 68
The method to create the series is start by adding 10, then decrease the addend by 1 for each new number in the sequence. That gives us:
16 + 10 = 2635 56 68
When can ten plus ten equal ten, yet ten minus ten equal twenty?
When putting gloves on then removing them.
When putting gloves on then removing them.
Early ages the iron boot tread,
Italy / Rome.
What has arms and legs but no head?
A chair.
Boys use it, girls like it, parents hate it. What is this 5-letter word?
The phone.
Your doctor gives you three pills and tells you to take one every half hour. How much time will have passed by the time you’ve taken all three pills?
One hour. You take the first pill, then wait a half hour and take the second pill, then at the hour mark you take the third and last pill.
One hour. You take the first pill, then wait a half hour and take the second pill, then at the hour mark you take the third and last pill.
A merchant has 21 sacks of grain: 7 full, 7 half-full and 7 empty. He wants to divide them equally among his three sons. How can he do this, without transferring any grain between sacks, so each son has the same quantity of grain and number of sacks?
We know each son must end up with 7 sacks and 3.5 sacks of grain, since (7 sacks + 7 half sacks) / 3 = 3.5 sacks each.
Solution 1
Solution 2
We know each son must end up with 7 sacks and 3.5 sacks of grain, since (7 sacks + 7 half sacks) / 3 = 3.5 sacks each.
Solution 1
Solution 2
A man and his son had a terrible car accident and were rushed to the hospital. The man died on the way, but the son was still barely alive. When they arrived, an old gray surgeon was called in to operate. Upon seeing the young boy, the surgeon said, “I can’t operate – this is my son.”
How is this possible?
The surgeon was the boy’s mother.
The surgeon was the boy’s mother.
What 4-digit number abcd satisfies this equation?
4 × abcd = dcba
2178
4 × 2178 = 8712
Which row is the odd one out?
A. K N Q T W Z B. B F J N R V C. A F K P V Z D. 3 6 9 12 15 18 E. 7 11 15 19 23 27 F. 13 18 23 28 33 38
C is the odd row out.
In A two letters are skipped between each letter.
C is the odd row out.
In A two letters are skipped between each letter.