Tasks for those who have not forgotten their head at home today

You may have noticed that there have been a number of different types of events on our website lately. logic. We began to pay more attention to interesting mathematical tasks for a reason.



First, by solving them, you train your brain Sometimes you forget about school. Secondly, solving logical problems is an original option for joint leisure with children. Let's see who can handle today's examples faster: you or your child?

Problems of logic So, today's edition "Site" I have prepared 6 simple tasks for you. I wonder how long it will take you to solve them? Put everything aside and start a brain warm-up. At the end of the article you will find all the answers.

1. In the first mission, you need rectify So that the left side corresponds to the right. It looks like this: 987654321 = 100. You can use either 4 + or 4 - signs on the left side of the expression.
2. Task. A plumber spends 1.5 hours on the road if he goes to work on foot and back home by transport. If a man goes to work and home by transport, he needs only 30 minutes of time. Question: How long will the plumbing take?To get to work and home on foot?
   
   
   
   
3. Imagine that 3 Sundays of the month fell only on paired numbers. Question: What day of the week was the 7th of this month??
4. To weigh vegetables and fruits, the seller uses a scale and 4 weights, the total weight of which is 40 kg. It can use different weight combinations to weigh the goods. But the weight of the cargo should be expressed in the whole number of kilograms. Question: how much each weight weighs?
   
   
   
   
5. Two relatives totaling 63 years. One of them is now twice as old as the other when the first was as old as the second. If you are not confused, then write in the comments, How old are each of the relatives??
6. Imagine that you have 1000 rubles. Now add another 1,000, then 30, and again 1,000. Now add 20, another thousand and, finally, only 10 rubles. Question: What is the sum that will result??
   
   
   
   

Answers.

1. The correct mathematical example should look like this: 98 - 76 + 54 + 3 + 21 = 100.
2. So, it is clear that the journey in one direction by transport will take 15 minutes. It turns out that the plumber will walk to work in 1 hour and 15 minutes. Then the entire journey to work and back home will take 2 times longer, that is, 2 hours and 30 minutes.
   
   
   
   
3. The seventh day of the month was Friday. Then Sundays will fall on the numbers: 2, 9, 16, 23, 30.
4. The seller in the arsenal were weights of 27, 9, 3 and 1 kg.
5. At the moment, one relative is 36 and the other is 27 years old. When the first was 27, the second was 18.
   
   
   
   
6. If you counted carefully, then you should have got 4 060 rubles.

They're so simple. logic. I wonder if there were any of them that baffled you? Be sure to share your answers and impressions in the comments. Wait for you downstairs!