Recent puzzles under tag mathematical

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What’s the correct answer?

posted Sep 6, 2023 by Mohammad

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Find the simple rule that creates this series.

posted Sep 4, 2023 by Riteshwar

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A square with side length 1 is divided into 4 congruent right triangles, as shown, and a square in the center..........

posted Sep 4, 2023 by Kapil Kapoor

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A circle circumscribed 5 squares with side length 1, as shown below. (The squares are in a 2×2 grid and one circle......

posted Aug 30, 2023 by Harshita Dhaliwal

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Let ABC be an equilateral triangle. Let P be any point on its incircle. Prove that: AP2 + BP2 + CP2 = k for some.......

posted Aug 18, 2023 by Saif Khanam

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What is the distance OP you should stand that maximizes the viewing angle APB?

posted Aug 10, 2023 by Pushpak Chauhan

+1 vote

Why are the results different? What’s going on?

posted Aug 10, 2023 by Anuradha Tabyal

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Three identical squares are shown in the diagram. If the area of the triangle is 1 square meter, what is the area.......

posted Aug 1, 2023 by Anshika Utadi

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A lane runs perpendicular to a road that is 64 feet wide. It is just possible to carry a pole 125 feet long...........

posted Jul 31, 2023 by Riteshwar

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Complete the following series. 1, 3, 7, 13, 21, 31, ?, ?

posted Jul 26, 2023 by Varuna Magar

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Use 4 4's and only 4 4's along with any mathematical operators to make a total of 112.

posted Jul 24, 2023 by Amarvansh

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Every student at Ranmore College selected one language (French or Mandarin) and one science subject..............

posted Jul 24, 2023 by Chahat Sharma

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How many days does the job take when Ali and Baba work together?

posted Jul 21, 2023 by Brijesh Talwar

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Find the missing number in the image below.

posted Jul 17, 2023 by Swati Arora

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The line 2x – y + 1 = 0 intersects the curve x2 + 3y = 19 at the points A and B. The perpendicular bisector of AB......

posted Jul 15, 2023 by Vishal

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You have 7 tennis balls that are all identical but one of them is slightly lighter than the others. Using a balance....

posted Jul 12, 2023 by Varun Kumar

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Can you spot the mistake?

posted Jul 11, 2023 by Varuna Magar

+1 vote

Can you figure it out?

posted Jul 7, 2023 by Sidharth Malhotra

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On my birthday in 2021, my age is equal to the sum of the digits of my birth year. I am less than 100 years old.........

posted Jul 7, 2023 by Amarvansh

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A 110 yard long Christmas train travels at 30 mph, through a tunnel, into Santa’s grotto. If the length.............

posted Jul 6, 2023 by Saif Khanam

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Can you solve the following visual puzzle?

posted Jul 4, 2023 by Nikita Sehgal

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The product of three consecutive numbers is 7980. Then the sum of these consecutive numbers would be?

posted Jul 3, 2023 by Yogeshwar Thakur

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John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back......

posted Jul 3, 2023 by Rahul Vaidya

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There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area.........

posted Jun 30, 2023 by Dilbagh

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Solve the following equation: (3x)log 3 = (4x)log 4 The variable x is a real number, and the exponentiation..........

posted Jun 29, 2023 by Vishal

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My grandson is about as many days as my son is weeks. And my grandson is as many months as I am in years..........

posted Jun 29, 2023 by Atif

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When multiplied by itself, which number is equal to 12,345,678,987,654,321?

posted Jun 28, 2023 by Deepak Chitragar

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If, 6 / 7 = 2 3 / 9 = 7 8 / 2 = 6 Then 4 / 5 = ?

posted Jun 27, 2023 by Akriti

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Solve the below puzzle by replacing the question mark with the correct number. 3 6 12; 4 8 16; 5 10 ?

posted Jun 26, 2023 by Ritika

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Can you find an eight digit number with the following property. The first digit tells you how many zeros there are......

posted Jun 26, 2023 by Vikram Luthra

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In a competitive exam, each correct answer could win you 10 points and each wrong answer could lose you 5 points........

posted Jun 22, 2023 by Pardeep Kohli

+1 vote

There are 168 primes less than 1,000. What is the sum of the prime numbers less than 1,000?

posted Jun 22, 2023 by Ujjwal Mehra

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Use 4 4's and only 4 4's along with any mathematical operators to make a total of 28.

posted Jun 22, 2023 by Pankaj Deshmukh

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There are two dice with empty faces in front of you and a marker. You can mark any number on each of the faces..........

posted Jun 19, 2023 by Aastha Joshi

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Solve the following equation:

posted Jun 15, 2023 by Mishthy Mukherjee

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Today I Learned that the number 69 is the only natural number whose square (4761) and cube (328509) contains every......

posted Jun 14, 2023 by Prachi Sharma

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Which are there more of - inches in a mile or Sundays in a 1000 years?

posted Jun 14, 2023 by Aman

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What is the 5 digit number in which the sum of the first two digits is one less than the third, the third is double.....

posted Jun 14, 2023 by Dilbagh

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In the diagram below, 8 identical regular octagons, with side length x, enclose a shape. What is the area.............

posted Jun 14, 2023 by Mridul

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If x is between 0 and 360 degrees, find all solutions to the equation: 81sin2 x + 81cos2 x = 30

posted Jun 9, 2023 by Nimish

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Take any number, say 8,675,309. Reverse the digits to get 9,035,768. The difference between the two numbers...........

posted Jun 9, 2023 by Vishal

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What is the missing number?

posted Jun 2, 2023 by Pankaj Deshmukh

+1 vote

A circle is contained within a rectangle. Tangents to the circle are drawn from each corner of the rectangle............

posted Jun 1, 2023 by Puneet Batra

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It takes a little bit of work, but let’s prove why this is true!

posted Jun 1, 2023 by Sidharth Malhotra

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What place in this world can have their temperatures Fahrenheit and Celsius equal?

posted May 29, 2023 by Samardeep Acharya

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Use 4 4's and only 4 4's along with any mathematical operators to make a total of 95?

posted May 25, 2023 by Rahul Vaidya

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You have to make the equation true by inserting parentheses. You are allowed to insert parentheses between any.......

posted May 24, 2023 by Swati Arora

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Triangle ABC has AB = BC = 10 and AC = 10√2. The triangle is folded so that point A falls on the midpoint M of BC......

posted May 24, 2023 by Aman

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Use only one mathematical symbol and all numbers (0-9) to get a sum of 99.

posted May 17, 2023 by Upma

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Which quantity is greater?

posted May 16, 2023 by Sandeep Bedi