If 117 " 78 = 13 and 192 " 9 = 61, then what is the value of 114 " 12?
34
The symbol " stands for an unknown operation, and we must discover the rule from the two given examples.
First example: \(117\ "\ 78 = 13\). Try subtracting the numbers and dividing: \((117 - 78) = 39\) and \(39 \div 3 = 13\).
Second example: \(192\ "\ 9 = 61\). Check the same rule: \((192 - 9) = 183\) and \(183 \div 3 = 61\).
Both examples fit the rule: subtract the second number from the first, then divide the result by 3.
Now apply the rule to \(114\ "\ 12\).
Subtract: \(114 - 12 = 102\).
Divide by 3: \(102 \div 3 = 34\).
So the value is 34, which matches the first option.
Hence the correct answer is 34.
Similar Questions
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If 'A' means '+', 'B' means '−', 'C' means '÷' and 'D' means '×', then which of the following equation is correct?
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After interchanging the given two numbers (not digits), what will be the value of the given equation?
2 and 5
5 × 4 + 2 − 8 ÷ 4 = ?
In this type of questions, question is provided with substitutes for various mathematical symbols, followed by a question involving calculation of an expression or choosing the correct/incorrect equation. You have to put the real signs in the given equation and then solve the questions as required.
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By interchanging the given two numbers (not digits) which of the following equation will NOT be correct?
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Important Questions from Mathematical Operations
Select the set, from the given options, in which the numbers are related in the same way as are the numbers of the following sets.
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
(6, 13, 78)
(5, 22, 110)
If + means -, - means ×, × means ÷, ÷ means +, then what will come in place of the question mark (?) in the following equation?
28 - 6 ÷ 4 + 14 × 14 = ?
In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. Which numbers should replace X and Y so that the pattern followed by the two numbers on the left side of :: is the same as that on the right side of :: ?
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 Operations on 13 such as adding/subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
X : 649 :: 956 : Y
Which two numbers should be interchanged to make the given equation correct?
75 ÷ 5 + 15 × 4 - 17 × 3 + (60 ÷ 6) × 10 = 100
(Note: Interchange should be done of the entire number and not individual digits of a given number.)
If ‘A’ stands for ‘\(\div \)', ‘B’ stands for ‘x', ‘C’ stands for ‘+', ‘D’ stands for ‘-', what will come in the place of the question mark '?' in the following equation?
225 B 15 A 15 C 125 D 225 = ?
