Question 54 of 60intermediate🔍 AnalyzeNumerical2 marks

I am a 3-digit number. If you divide me by 5, you get 42. If you multiply me by 2, you get 420. What number am I?

Correct Answer

Step 1: If number ÷ 5 = 42, then number = 42×542 \times 5 = 210 Step 2: If number × 2 = 420, then number = 420 ÷ 2 = 210 Step 3: Both conditions give 210

Answer: The number is 210.

Exercise: Let Us Do | Q: 2 | (Page Page 13)
For More Understanding

Explanation

If dividing by 5 gives 42, then the number is 42×542 \times 5 = 210. If multiplying by 2 gives 420, then the number is 420 ÷ 2 = 210. Both conditions give the same answer: 210.

Solution Steps

  1. Step 1: If number ÷ 5 = 42, then number = 42×542 \times 5 = 210

  2. Step 2: If number × 2 = 420, then number = 420 ÷ 2 = 210

  3. Step 3: Both conditions give 210

  4. Step 4: The number is 210

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