Yesterday Tomàs bought a t-shirt of 15€ and a backpack of 23€, but they made him a discount and, in total, he only paid 35€. How much discount did they make?
They made 3€ off.
A company wraps 2385 gifts a day. 4 bows are used for each gift. How many ties are used per day?
9640 ties.
8 cars of the same model and brand weigh 12288 kg. How much does a single car weigh?
1536 kg.
Three people travel in a bus carrying 4 suitcases each. Each suitcase is full of 5 items. How many items are there?
Choose de correct operation:
a) 3·4·5
b) 3+4·5
c) (3+4)·5
d) 3+(4·5)
a) 3·4·5
In a university of 255 students, 3/5 parts of the students are boys. How many girls are there?
Choose the correct answer:
a) 135 girls
b) 153 girls
c) 120 girls
d) 102 girls
d) 102 girls.
How many times can number 1 be subtracted from the number 1.111?
Only one, since in consecutive occasions we would be subtracting it to the number 1.110, 1.109, 1.108 ...
A farmer has 10 rabbits, 20 horses and 40 pigs. If we call "horses" to the "pigs", how many horses will it have?
You will still have 20. Calling them differently does not imply that they become in horses.
8:2(2+2)=?
16
√289
17
How can you get the number 1000 by adding eight numbers 8?
With the number 8 you can form larger figures. The solution is:
888 + 88 + 8 + 8 + 8 = 1000
