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lf'+' denotes 'multiplication', ′×′denotes 'subtraction',′÷′, denotes 'addition', and ′−′, denotes 'division', then 175 − 25 ÷ 5 + 20 × 3 + 10 =?
  • a)
    160
  • b)
    70
  • c)
    77
  • d)
    240
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
lf+ denotes multiplication, ′×′denotes subtraction,&...
Given the new symbol notations:
  • '+' denotes 'multiplication'
  • '×' denotes 'subtraction'
  • '÷' denotes 'addition'
  • '−' denotes 'division'
We need to evaluate the expression 175 − 25 ÷ 5 + 20 × 3 + 10 using the new notation.
Step 1: Replace the symbols as per the new notation.
  • '−' becomes division (i.e., '÷')
  • '÷' becomes addition (i.e., '+')
  • '+' becomes multiplication (i.e., '×')
  • '×' becomes subtraction (i.e., '−')
So, the expression 175 − 25 ÷ 5 + 20 × 3 + 10 becomes: 175 ÷ 25 + 5 × 20 − 3 × 10
Step 2: Simplify the expression following the order of operations (BODMAS/BIDMAS).
  • First, do the division and multiplication from left to right:
    • 175 ÷ 25 = 7
    • 5 × 20 = 100
    • 3 × 10 = 30
So, the expression becomes: 7 + 100 − 30
  • Now, perform the addition and subtraction from left to right:
    • 7 + 100 = 107
    • 107 − 30 = 77
Final answer: The value of the expression is 77.
So, the correct option is C: 77.
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Community Answer
lf+ denotes multiplication, ′×′denotes subtraction,&...
Understanding the Operations
In this problem, we need to decode the operations based on the symbols given:
- lf+ denotes multiplication
- ′×′ denotes subtraction
- ′÷′ denotes addition
- ′−′ denotes division
Rewriting the Expression
The original expression is:
175 − 25 ÷ 5 + 20 × 3 + 10
Now, replacing the symbols based on their meanings:
- 175 × 25 + 5 - 20 lf+ 3 + 10
This translates to:
175 - (25 + 5) + (20 × 3) + 10
Performing the Calculations
Now, let's solve the expression step by step:
1. Calculate 25 ÷ 5:
- 25 + 5 = 30
2. Calculate 20 × 3:
- 20 × 3 = 60
3. Substituting back into the expression:
- 175 - 30 + 60 + 10
4. Performing each operation in order:
- 175 - 30 = 145
- 145 + 60 = 205
- 205 + 10 = 215
Final Calculation
Now, let's check the final computation step by step:
- Start with 175
- Subtract 30 (result is 145)
- Add 60 (result is 205)
- Finally, add 10 (result is 215)
However, re-evaluating based on the new interpretation of operations, let's confirm the calculation:
1. 175 - (25 + 5) = 175 - 30 = 145
2. 145 + (20 × 3) = 145 + 60 = 205
3. 205 + 10 = 215
Conclusion
After carefully evaluating all the operations, the computed answer is indeed 215. However, if the correct answer is stated as option 'C' (77), there may be a need to double-check the initial symbols or the intended operations.
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lf+ denotes multiplication, ′×′denotes subtraction,′÷′, denotes addition, and ′−′, denotes division, then 175 − 25 ÷ 5 + 20 × 3 + 10 =?a)160b)70c)77d)240Correct answer is option 'C'. Can you explain this answer? for Class 5 2025 is part of Class 5 preparation. The Question and answers have been prepared according to the Class 5 exam syllabus. Information about lf+ denotes multiplication, ′×′denotes subtraction,′÷′, denotes addition, and ′−′, denotes division, then 175 − 25 ÷ 5 + 20 × 3 + 10 =?a)160b)70c)77d)240Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 5 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for lf+ denotes multiplication, ′×′denotes subtraction,′÷′, denotes addition, and ′−′, denotes division, then 175 − 25 ÷ 5 + 20 × 3 + 10 =?a)160b)70c)77d)240Correct answer is option 'C'. Can you explain this answer?.
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