If ‘A’ stands for ‘÷’, ‘B’ stands for ‘×’, ‘C’ stands for ‘+’ and ‘D’ stands for ‘−’, what will come in place of the question mark (?) in the following equation? (80 A 8) B 5 C 14 B 2 D 11 B 3 C 72 A 4 = ?
63
Replace each letter with its symbol: A = ÷, B = ×, C = +, D = −.
The expression becomes (80 ÷ 8) × 5 + 14 × 2 − 11 × 3 + 72 ÷ 4.
Solve the brackets and apply BODMAS (do ÷ and × before + and −): (80 ÷ 8) = 10, so 10 × 5 = 50; 14 × 2 = 28; 11 × 3 = 33; 72 ÷ 4 = 18.
Now add and subtract left to right: 50 + 28 − 33 + 18 = 78 − 33 + 18 = 45 + 18 = 63.
Hence, the value in place of the question mark is 63.
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Important Questions from Coding Decoding
In a code language, INDICATOR is written as JOEJBCVQT. How will EMOTIONAL be written in that language?
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Rule:
1. If an even number is followed by an even number, then the first number will be subtracted from the second.
2. If an odd number is followed by an odd number, then both will be added.
3. If an odd number is followed by an even number, then the even number will be subtracted from the square of the odd number.
4. If an even number is followed by an odd number, then the odd number will be subtracted from the even number.
Row I: 9,11, 34
Row II: 16, 9, 8
What is the difference between the resultant numbers in the first row and the second row
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