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Q:

Solve this Math puzzle?

math_number_puzzle1538999808.jpg image

A) 96 B) 88
C) 40 D) 19

Answer:   A) 96



Explanation:

The given math puzzle follows a logic that,

1 + 4 = 5 => 1 x 4 + 1 = 5

2 + 5 = 12 => 2 x 5 + 2 = 12

3 + 6 = 21 => 3 x 6 + 3 = 21

 

Similarly,

8 + 11 = > 8 x 11 + 8 = 96.

Subject: Math Puzzles
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Related Questions
Q:

Solve the following equations and find the value of abc?

 

A) 3 B) 6
C) 9 D) 12
 
Answer & Explanation Answer: B) 6

Explanation:

From the given equations,

(a+b+c)2=a2+b2+c2+2(ab+bc+ca)
(6)2=14 + 2(ab + bc + ca)
36 - 14 = 2(ab + bc + ca)
22/2 = ab + bc + ca
ab + bc + ca = 11

a3 + b3 + c3 - 3abc = (a + b + c)(a2 + b2 + c2 - ab - bc - ca)
= (6) (14 - 11)
=(6)(3)
=18

Since, a3 + b3 + c3 - 3abc = 18

36 - 3abc = 18

-3abc = 18 - 36

-3abc = -18

abc = 6.

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Exam Prep: Bank Exams , CAT

28 5869
Q:

Find the missing number in the following puzzle?

 

A) 86 B) 98
C) 104 D) 112
 
Answer & Explanation Answer: B) 98

Explanation:

Here the answer is 98.

 

The logic in the given puzzle:

2+3 = 8
3+7 = (7+2)x3 = 27
4+5 = (5+3)x4 = 32
5+8 = (8+4)x5 = 60
6+7 = (7+5)x6 = 72

Similarly,

7+8 = (8+6)x7 = 98.

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63 18055
Q:

Following the same logic, crack this mathematical puzzle ?

 

A) 4 B) 2
C) 1 D) 3
 
Answer & Explanation Answer: C) 1

Explanation:

The answer here is 1.

 

Logic Followed in the given puzzle ::

 

The logic here is the number of circles in each 4 digit number mentioned.

8801 has 5

5261 has 1

and so on

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20 18492
Q:

What value will replace the question mark in the puzzle?


A) 64 B) 56
C) 46 D) 36
 
Answer & Explanation Answer: C) 46

Explanation:

The Answer is 46.

Logic ::

First number on the right hand side is the second number in the left side of equation ( and ) second number on the right side is the sum of two numbers on the left side of the equation.

 

Hence, 2 + 4 = 4(2+4) = 46.

 

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18 2299
Q:

Solve the value of D?

Answer

A + B = 15 .... (1)


B x C = 84 .... (2)


C ÷ 4 = 3  .... (3)


B + D = 18 .... (4)


From (3), we get C = 12


From (2), we get B = 84/12 = 7


From (1), we get A = 15 - 7 = 8


From (4), we get D = 18 - 7 = 11


 


Hence, D = 11.

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Subject: Math Puzzles Exam Prep: Bank Exams
Job Role: Bank Clerk , Bank PO

22 2699
Q:

Can you solve this maths puzzle?


A) 10 B) 12
C) 14 D) 18
 
Answer & Explanation Answer: B) 12

Explanation:

The logic in this puzzle is summing the result of [subtraction of upper two digits] & [addition of lower two digits] 

Hence, the result is  

(5 - 3) + (2 + 8) = 2 + 10 = 12.

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20 2469
Q:

90% of people fail to solve this math puzzle?

ninety_percent_fail_to_answer_this1588595933.jpg image

A) 45 B) -20
C) 35 D) -60
 
Answer & Explanation Answer: D) -60

Explanation:

A - A - A = 20
B - B - B = 15
C - C - C = 25

A = -20
B = -15
C = -25

=> A + B + C = (-20)+(-15)+(-25) = -20 - 15 - 25 = -60.

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19 3306
Q:

Can you solve this riddle?

A) 1 B) 3
C) 5 D) 0
 
Answer & Explanation Answer: A) 1

Explanation:

5 + 5 = 10

5x 2 + 2 = 12

5 x 2 - 1 x 5 = 5

 

Hence, ∆ = 1.

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18 2882