Mathematical Operations - Letter Substitution With Digits


 
 
Concept Explanation
 

Mathematical Operations - Letter Substitution With Digits

Letter Substitution with Digits: In these type of problems the letters have been written in place of symbols for example  the digit 1 may be written as x, the candidate has to perform substitution and then solve the question accordingly to reach the desired result.

Illustration: If in an imaginary language, the digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 are substituted respectively by a, b, c, d, e, f, g, h , i and j, and 10 is written as ba, then find the value of (cd+ef)times bc.

A. 684                         B. 816                     C. 916                 D. 1564

Answer: B

Solution:  Using the information provided in the question, the given expression c is replaced with 2, d is replaced with 3 and so on . the statement becomes as follow

(23+45)times 12=68times 12=816

Hence, the correct choice is B.

Sample Questions
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Question : 1

If in an imaginary language, the digits 0, 1, 2, 3, 4, 5, 6, 7 , 8 and 9 are substituted respectively by a , b, c , d, e, f, g, h, I and j, and 10 is written as ba , then find the value of (cd + ef) × bc.

Right Option : B
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Explanation
Question : 2

In an imaginary language,If the digits 0,1, 2, 3, 4, 5, 6, 7, 8 and 9 are substituted respectively by a, b, c, d, e, f, g, h, i and j, the the result of the following expression can be  written as

baf ÷ bf × d

Right Option : B
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Explanation
Question : 3

In an imaginary language,If the digits 0,1, 2, 3, 4, 5, 6, 7, 8 and 9 are substituted respectively by a, b, c, d, e, f, g, h, i and j the the result of dc × f - ( bf - d) × d can be written as

Right Option : C
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Explanation
 
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