There are 8.399 million people living in New York City. Of these, 47% are male. If 53% of these men are currently single, 26% prefer latte over cappuccino, 10% can tell a difference between a Leica and a Fuji, 7% are remotely attractive, and 3% can find you attractive with makeup running down your face, please calculate the probability of meeting the love of your life on a rainy Tuesday in April, outside of Dashwood Books, after you have forgotten your umbrella on the subway.

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The wedding band is a circle of metal around emptiness. To calculate the radius of a circle by using the circumference, take the circumference of the circle and divide it by 2 times π. Without using any measurement instruments, estimate the correct size of the wedding band for a person whose hand you’ve been clutching on a roller coaster ride you shouldn’t have gone to in the first place.

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Add up the 6.5 lbs of a newborn girl and the combined 10.8 lbs of the twins that came two years later, subtract 2.25 hours a day spent cooking and cleaning, multiply by the number of times the spouses quarreled and then made up, legs intertwined, divide by the number of Lego parts found in unexpected places and, finally, take a square root out of every difficult conversation to find a formula of a perfect marriage.

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Imagine that Car A leaves from point X and Car B departs from point Y. Car A travels at 55 mph, in line with the maximum posted speed limit. Car B travels at 65mph for the first two hours of its journey and then speeds up to 90 mph for the last 22 minutes. Calculate the force of their collision at intersection Z.

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There are 206 bones in the human body. The femur is the strongest and the trapezium bone in the left wrist, injured in the skating incident at the age of nine, is the weakest. Calculate how many bones will break when the side impact airbag doesn’t deploy. For extra points, estimate which one of them will break first.

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The average life expectancy of a man is 77 years and the average life expectancy of a woman is 81. Calculate how many times she will stand outside Dashwood Books alone after her husband dies in a car crash two days before her 36th birthday.

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Laila Amado spends her days teaching, writing, never quite catching up on her own research agenda, and trying to get a teenage kid through a global pandemic. In her free time, she can be found staring at the Mediterranean Sea. Occasionally, the sea stares back. She is on Twitter @onbonbon7.