This mathematical puzzle will Putting your brain to the test: Ready for the challenge?

Ouadie Rhabbouron
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Practice step by step (3/10)

No need to get into Very complicated calculations. Initially, the simple basic operations, such as addition or subtractions, is already an excellent exercise. Then, by acquiring intellectual agility, it will be possible to calculate in your head more complicated operations.
 

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How do you calculate 7 x 7 / 7 - 1 + 7 quickly? (4/10)

So, are you ready to take on the challenge we offer you today? It involves calculating an operation in a limited time. How much is 7 x 7 / 7 - 1 + 7? This operation seems very complicated to solve, and yet it can be calculated in just a few seconds.

 

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For example,
For example,

A rule to know (5/10)

To solve the operation, you don't need a calculator. All you need is to know simple calculation rules. In fact, to successfully solve an operation such as 7 x 7 / 7 - 1 + 7, you simply need to master the order of operations.

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The next part changes everything.

13 signs that someone around you may have a negative influence

“I married a woman thirty years older than me—despite my family’s strong objections. But on our wedding night, I uncovered a secret that changed everything. My name is Arjun Mehra. I’m twenty years old, about 180 cm tall, and currently in my second year at one of New Delhi’s top universities. Until recently, my life was simple—classes, exams, and future plans. That all changed the day I met Kavita Rao. She was sixty—graceful, composed, and impossible to ignore. Once the owner of a successful chain of luxury restaurants in Mumbai, she had stepped away from business and lived a quiet, private life. We met at a charity event in Gurugram. While others tried to stand out with loud conversations and laughter, Kavita remained calm and reserved. Her silver hair reflected the light, and her presence alone drew attention without effort. A few days later, she invited me to her mansion in South Delhi for tea. What I expected to be a short, polite visit turned into hours of meaningful conversation. She spoke openly about her life—early success, a marriage that ended without conflict, and a loneliness that lingered despite her achievements. She had everything—wealth, status, respect—except someone to truly share it with. Somewhere in those conversations, I realized I cared deeply for her. Not because of what she owned, but because she understood life in a way most people my age didn’t. Three months later, during a rainy evening, I told her I wanted to spend my life with her—no matter the age difference. The backlash was immediate. My family accused me of being after her money. My father called it disgraceful. My mother cried for days. Friends whispered behind my back. Eventually, I chose to walk away from all of them. We got married at her villa, with only a few of her close business associates present. I was the youngest person in the room—and I could feel every judgmental glance. That night, alone together as husband and wife, the atmosphere felt heavy and quiet. Kavita sat beside me and handed me a thick folder. Inside were documents—properties in Mumbai, ownership papers, and keys to a luxury car. I was overwhelmed. “I don’t want any of this,” I told her. “That’s not why I married you.” She studied me carefully before speaking, her tone calm but firm. “Arjun, you need to understand something,” she said. “Loneliness isn’t the only reason I chose you. I need someone to carry on what I’ve built.” Her words unsettled me. She explained that she had no children, and her wealth—worth hundreds of crores—would otherwise fall into the hands of distant relatives waiting for their chance. “I want it to go to you,” she said quietly. “But there’s one condition.” The room suddenly felt smaller. My voice tightened as I asked, “What condition?” She held my gaze steadily… and began to explain.

The day before my wedding, I heard my bridesmaids through the hotel room wall.