Math Puzzles Questions

Q:

Find the height of the table?

how_tall_is_the_table1542200476.jpg image

A) 40 cm B) 150 cm
C) 120 cm D) 45 cm
 
Answer & Explanation Answer: B) 150 cm

Explanation:

Let the heights of Cat, Table and Turtle be C, T & R respectively.

 

From the above given figure,

 

C + T - R = 170 ......(a)

 

R + T - C = 130 ......(b)

 

Adding above eqns (a) & (b), we get

 

2T = 300

 

T = 150 cm

 

Hence, the height of the table is 150 cm.

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Q:

Arrange four nines(9) and a one(1) and only one mathematical symbol to make it equal to 100 ?

Answer

199 - 99  = 100

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Q:

Maths Challenge

18664144_1312106528896448_6995063813597220901_n1499145941.jpg image

A) 19 B) 38
C) 22 D) 40
 
Answer & Explanation Answer: D) 40

Explanation:

To get a pair of black rings 100 percent certain

27 blue + 17 red + 2 black = 40 rings should be taken out

Then only we can get 100 % a pair of black rings. 

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Q:

Which number multiplied by itself will give the output as 12345678987654321 ?

Answer

11 * 11 = 121


111 * 111 = 12321


what we observe is that the square of the number follows a pattern: 2 1's gives 121. 3 1's gives 12321.


so to get 12345678987654321 we need to get square of 9 1's(111,111,111).

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Q:

Puzzle : Clock

Divide the clock's face into three equal parts exactly with two lines. Therefore the sum of the numbers in the three equal parts should be same

Answer

Divide_the_clocks_face_into_three_equal_parts_exactly_with_two_lines1585547042.jpg image


 


26 + 26 + 26 = 78

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Q:

How many letters of the word FAINTS, will their order in the word and that when the letters are arranged in the alphabetical order, remain the same?

A) Two B) One
C) Three D) Nil
 
Answer & Explanation Answer: A) Two

Explanation:

When the letters are arranged in the alphabetical order, two remains the same.

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Q:

Solve the following puzzle

You are going to visit your grandmother on Mother's day. You want to give her two cakes. However, to get to her house you must cross seven bridges. At each bridge is a troll who demands ½ of all of your cakes as the price to pass. However, this troll, being a nice troll, feels bad and gives you back 1 of the cakes that he took.

         The puzzle to solve: How many cakes must you leave with to be able to give your grandmother 2 cakes

Answer

Do the math and you will see that this puzzle is based on the fact taht (2)=1 and 1+1=2

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Q:

In a Certain Country 1/2 of 5 = 3. If the same proportion holds, what is the value of 1/3 of 10 ?

A) 4 B) 6
C) 8 D) 10
 
Answer & Explanation Answer: A) 4

Explanation:

Let 1310 = x 

=> 3x = 10

 

Given that 125=3

 

Therefore, 52x = 10 

 

=> x = 10/3 = 4.

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