Unanswerd puzzles under tag mathematical

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How many persons are there in building?

posted 2 days ago by Akriti

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What is the measure of angle AEF? What is the perimeter of triangle ECF? That is, what is the value of EC + CF + FE?

posted 2 days ago by Vikram Luthra

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What could be the value of # in this number : 985#865, if this number is divisible by 9?

posted 3 days ago by Harshita Dhaliwal

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What is the area of the kite OACB?

posted Jun 26 by Karan Joglekar

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Sum of age of 9 children born at interval of 9 years is 369. What is the age of youngest child?

posted Jun 26 by Samardeep Acharya

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The sum of squares of three successive integers is 20174. What is the sum of these integers?

posted Jun 25 by Pushpak Chauhan

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A circle contains 4 identical squares, as shown below. If each square has..............what is the radius of the circle?

posted Jun 21 by Anil Chaurasiya

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How many factors of 823851904000 are perfect squares?

posted Jun 19 by Prithvi

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What is the value of x?

posted Jun 17 by Pardeep Kohli

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If 129351 = 2; 215973 = 7; 347851 = 8; 452361 = 6; Then 257461 = ?

posted Jun 10 by Nimish

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If 23 + 4 = 4; 21 + 5 = 5; 43 + 6 = 6; 41 + 2 = 6 Then 52 + 7 = ?

posted Jun 9 by Anil Chaurasiya

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In a semicircle, the circular segment ADB is folded along AB to make the circular..............What is the length of AB?

posted Jun 1 by Parampreet Kaur

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If you toss a coin ten times and it lands heads up every time, what is the probability that it will land heads..........

posted Jun 1 by Saif Khanam

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Rank of the word EID in the dictionary of words formed by the letters of the word EID?

posted May 25 by Deepak Chitragar

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What is the value of x?

posted May 24 by Riteshwar

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What is that number?

posted May 21 by Pankaj Deshmukh

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How many ways were there so that Srabon got passed?

posted May 21 by Pankaj Deshmukh

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What is the average of all multiples of 17 lying between 430 and 530?

posted May 21 by Pankaj Deshmukh

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The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

posted May 20 by Madhavi Latha

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There is 60% increase in an amount.......What will be the compound interest of Rs. 12000 after 4 years at the same rate?

posted May 20 by Madhavi Latha

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A mathematician writes numbers on a cube. On each face the mathematician writes...........what is the sum of all faces?

posted May 19 by Saif Khanam

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An alphabet is randomly selected from the word HINDUSTAN. What is the probability that it would be a vowel?

posted May 19 by Tapesh Kulkarni

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Fill the empty circle with the correct number in the picture below.

posted May 18 by Kuldeep Apte

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What is the area of the blue square divided by the area of square ABCD?

posted May 18 by Karan Joglekar

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Fill the boxes using (1, 3, 5, 7, 9, 11, 13, 15) . You can also repeat the numbers

posted May 18 by Samardeep Acharya

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Find Rate, when Principal = Rs. 2020, Amount = Rs. 3838 and Time = 18 years.

posted May 18 by Samardeep Acharya

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Can you solve the below equation by plotting numbers 1-9 without repeating any number?

posted May 15 by Rahul Vaidya

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What number should replace the question mark?

posted May 14 by anonymous

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In rectangle ABCD, a semicircle CPS is drawn as shown below..............If CQ = 10, what is the area of rectangle ABCD?

posted May 11 by Anamika

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An alphabet is randomly selected from the word INDIA. What is the probability that it would be I?

posted May 11 by Rajni

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Did he make any overall profit? If yes, How much?

posted May 8 by Ujjwal Mehra

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Can you solve this math picture puzzle?

posted May 8 by Sandeep Bedi

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What is the market value of a 8.5% stock, in which an income of Rs. 2020 is derived by investing Rs. 202000.............

posted May 8 by Pankaj Deshmukh

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Which of below picture has the maximum painted area?

posted May 7 by Madhavi Latha

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log 10, log 10, log 100, log 1000, log 100000, log 100000000, ? (assume all logs to the base 10)

posted May 7 by Madhavi Latha

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If D(m) + D(n) = 125, what is the value of m + n?

posted May 5 by Samardeep Acharya

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What s Jadeja's present age in years?

posted May 4 by Anuradha Tabyal

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How many minutes does each student play basketball?

posted May 2 by Aman

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How many bushels can they pick in one minute?

posted May 2 by Dilbagh

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If 1 + 4 = 8; 2 + 5 = 5; 3 + 7 = 7; 2 +7 = 21 then 3 + 9 = ?

posted Apr 25 by Sidharth Malhotra

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Unexpected Coding Decoding

posted Mar 2 by Afsana Akhter

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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

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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

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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