Unanswerd puzzles under tag mathematical

0 votes

How many solutions are there to satisfy the equation: ONE+TWO+FOUR=THREE

posted 12 hours ago by anonymous

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What number should replace the question mark? 1, 1, 4, 20, 27, ?, 254

posted Jan 31 by Prithvi

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Using number 3, 5, 6, 7 and any number of mathematical operators can you form number 100.

posted Dec 27, 2019 by Karan Joglekar

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The local McDonald's restaurant is giving away Christmas dinners............................What will a Happy Meal cost?

posted Dec 20, 2019 by Nimish

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Find the height in metres from which he bails out of the plane?

posted Dec 3, 2019 by Anshika Utadi

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The speed of a car is 63 km/hr, if we don't let.............What is the time in minutes that the car stops for per hour?

posted Nov 28, 2019 by Upma

+1 vote

Which number comes next in the sequence - 1; 3; 8; 13; 21; ?

posted Nov 27, 2019 by Pardeep Kohli

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An ellipse that has its center at the origin, its semi-major axis along the x-axis, and passes through...........Find k.

posted Nov 20, 2019 by Mishthy Mukherjee

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How to calculate area of below part ABC ?Explain the given calculation of 0.33*0.29*8.83 and 0.5*0.95*8.83 ?

posted Nov 20, 2019 by Nikita

+1 vote

How many coins would you have to pay in order to have the greatest expected loss?

posted Nov 8, 2019 by Puneet Batra

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Find Δh, the difference in elevation between each of the hanging points and the point half way between the two poles?

posted Oct 30, 2019 by Anshika Utadi

+1 vote

Can you guess my "nifty operator" (#) ?

posted Sep 5, 2019 by anonymous

+1 vote

If a^2 + b^2 + ab - b = 17, where a and b are integers, what is the sum of all possible values of a?

posted Sep 4, 2019 by anonymous

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Two circles with the same radius overlap each other with their circumferences cross each other's center....

posted Sep 3, 2019 by anonymous

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Find the next term in the series - 1, 0, -2, -3, 8, 95, ?

posted Aug 27, 2019 by Pushpak Chauhan

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From a square with sides of length 5 cm, triangular pieces from the four corners are removed to form a regular..........

posted Aug 12, 2019 by Nikhil Pandey

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A cricketer can throw a ball to a maximum horizontal distance of hundred metre...

posted Jul 23, 2019 by anonymous

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Logic with the missing number in the triangle?

posted Jul 6, 2019 by anonymous

+1 vote

What is the distance for BELGIUM?

posted Jun 5, 2019 by Afsana Akhter

–1 vote

A is a matrix of type 3 by 5 and R is a row of a what is the type of R as a metrics

posted Jun 3, 2019 by Ritu Aggarwal

–1 vote

A is a matrix of type 3 by 5 and R is a row of a what is the type of R as a metrics

posted Jun 3, 2019 by Ritu Aggarwal

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Let a be a single-digit positive integer. Let n be another....................Find the sum of all possible values of a.

posted May 31, 2019 by Vikram Luthra

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In triangle ABC, if angle B is 30, what is the range of CosASinC?

posted May 22, 2019 by anonymous

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A certain right pyramid with a square base has the same numerical surface area as its volume...

posted May 16, 2019 by anonymous

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If x^3 -1 is a factor of x^6 + a.x^4 + b.x^3 + c.x^2 + 3x + 2 then find the value of ab + bc + ac?

posted May 7, 2019 by anonymous

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64 numbers (not necessarily distinct) are placed on the squares of a chessboard such that sum of every 2x2 square is 7..

posted Apr 23, 2019 by anonymous

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Find the greatest positive integer n for which n is divisible by all positive integers whose cube is not greater than n?

posted Apr 23, 2019 by anonymous

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Continuous functions

posted Apr 17, 2019 by anonymous

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Every other side of a regular decagon is extended to form a regular pentagon, find the ratio of two shaded regions?

posted Apr 3, 2019 by anonymous

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A be a 2x3 matrix and B 3x2 matrix. If AxB and BxA both defined and determinant of matrix AxB is 4...

posted Apr 3, 2019 by anonymous

+1 vote

What is the area of the blue parallelogram?

posted Mar 1, 2019 by anonymous

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Which color you will choose to get money? [MCQ]

posted Feb 5, 2019 by anonymous

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Find the next term in the series- 0, 1, 2, 1, 1, 2, 3, 4, 5, 6, 24, ?

posted Jan 22, 2019 by Hanifa Mammadov

+1 vote

Two identical very thing rings. One lays flat on a table and the other stands inside it. They touch at four points...

posted Dec 28, 2018 by anonymous

+1 vote

What would be the missing number in the following image?

posted Dec 17, 2018 by anonymous

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Inside a square ABCD, a point P is selected such that AP = 1, BP = 2 and CP = 3. Find the angle APB?

posted Dec 5, 2018 by anonymous

+1 vote

Positive real numbers x and y are such that x^2 - 2x + 4y^2 = 0. Find the maximum value of xy?

posted Dec 5, 2018 by anonymous

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A tosses a fair coin 50 times and B tosses another 51 times. What is the probability that B got more heads than A?

posted Dec 5, 2018 by anonymous

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Five circles are created to the maximum possible area in a hexagon, find the ratio of the grey region on the image?

posted Nov 15, 2018 by anonymous

+1 vote

How many squares can be formed in the following image by connecting four points of 8x8 grid?

posted Nov 15, 2018 by anonymous

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A puzzle consisting of 100 pieces. What is the minimum number of pieces I have to draw randomly from a pile...

posted Nov 11, 2018 by anonymous

+1 vote

What is the area of the red region if the angle of bigger mouth is double of the smaller mouth?

posted Oct 16, 2018 by anonymous

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Find the ratio of the length of large triangle vs small triangle?

posted Oct 15, 2018 by anonymous

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Arrange the cards as follows - All cards side by side in a line, any two adjacent cards are either same suit or rank...

posted Oct 6, 2018 by anonymous

+1 vote

370 cusec water output in one dam, how much if water output if water travels 10 km with 7 meter width in 10 minutes?

posted Aug 29, 2018 by Pandian Anu

+1 vote

Two telephone poles 30m high, 80m apart and connected by a 100m long cable. Distance of lowest point of cable to ground?

posted Aug 12, 2018 by anonymous

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What is the % of the area of the blue region as compare to the whole?

posted Aug 10, 2018 by anonymous

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Find the minimum distance between the curve y^2=4x and x^2 + y^2 -12x + 31 = 0?

posted Aug 1, 2018 by anonymous

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If we play the following game 1400 times, what is the expected number of games that I would win?

posted Jul 28, 2018 by anonymous

+1 vote

See the following triangle and tell what should be the length of KN?

posted Jul 28, 2018 by anonymous