10ticks Friday Puzzle

This week's Friday Puzzle

Exactly how many minutes is it before six o’clock if, 50 minutes ago, it was four times as many minutes past three o’clock?

Friday Puzzle (15-01-2021)

Edward and his sister Alex were born on the same date, but in different years.

Edward noticed that two years ago he was three times as old as Alex.

Alex noticed that in two years time she will be half Edwards age.

How old are they now?

When was Alex a fifth of Edwards age?

Friday Puzzle (08-01-2021)

You have 9 footballs and one weighing balance.

One of the footballs is heavier than the other 8 footballs, which are all equal in weight.

What is the least number of weighings needed, to be certain to find the heaviest football?

Friday Puzzle (18-12-2020)

In the song, The Twelve Days of Christmas, if the first swan swam 8 km and then each of the swans after swam double the amount of the one before, how far would the swans have swum altogether in metres?

Friday Puzzle (11-12-2020)

Two cubes of different sizes both have lengths an exact whole number of centimetres.

The total of the two volumes of the cubes is equal to the total of all their edge lengths.

What is the total volume of the two cubes?

Friday Puzzle (04-12-2020)

Each letter stands for a different digit. Find the value of each letter.

Friday Puzzle (27-11-2020)

What is the next number in the sequence

21          15          10           6      

720         120         24           6        

Explain how you found it.

Friday Puzzle (20-11-2020)

If two typists can type two pages in two minutes, how many typists will it take to type eighteen pages in six minutes?

Friday Puzzle (13-11-2020)

At this moment in time, Ravi is 41 years old and his son is 20 years old.

How many years ago was Ravi 4 times as old as his son?

Friday Puzzle (06-11-2020)

In a small herd of 12 cows, some are nine years old and some are eleven years old.

The total of their ages is 122.

How many cows are aged nine?