If 1 is added to each odd digit and 1 is subtracted from each even digit in the number 21673458, what will be the product of the greatest and smallest digit in the new number thus formed?
If 1 is added to each odd digit and 1 is subtracted from each even digit in the number 21673458, what will be the product of the greatest and smallest digit in the new number thus formed?
यदि संख्या 21673458 में प्रत्येक विषम अंक में 1 जोड़ा जाए तथा प्रत्येक सम अंक में से 1 घटाया जाए, तो बनने वाली नई संख्या में सबसे बड़े और सबसे छोटे अंक का गुणनफल क्या होगा?
Detailed Solution & Logic
8
✅ Solution:
Given number: 21673458
Rule:
- Add 1 to each odd digit
- Subtract 1 from each even digit
Let's change each digit:
| Digit | Type | New Digit |
|---|---|---|
| 2 | Even | 1 |
| 1 | Odd | 2 |
| 6 | Even | 5 |
| 7 | Odd | 8 |
| 3 | Odd | 4 |
| 4 | Even | 3 |
| 5 | Odd | 6 |
| 8 | Even | 7 |
New number = 12584367
Now find:
- Greatest digit = 8
- Smallest digit = 1
Product = 8 × 1 = 8
Correct Answer: 8
Similar Practice Questions
Refer to the following number series(Left) 4 9 8 5 1 6 4 5 9 6 5 3 4 9 6 2 9 4 8 5 1 1 8 4 1 5 7 (Right)
Refer to the following number series and answer the question that follows (all numbers are...
Refer to the following number (Left) > 5 * \ + 9 & 6 # 6 4 % & / @ # $ & 8 3 < (Right)
Refer to the following number and symbol series and answer the question that follows. Counting...
This question is based on the five three-digit numbers given below:
This question is based on the five three-digit numbers given below: (Left) 138 436 253...
This question is based on the five,
This question is based on the five, three-digit numbers given below. यह प्रश्न नीचे दी...
Select the group of letters that, when placed in the blanks of the given series in order, will complete the series.
Select the group of letters that, when placed in the blanks of the given series...
Refer to the following number
Refer to the following number, symbol series and answer the question. Counting to be done...
Based on the alphabetical order,
Based on the alphabetical order, three of the following four are alike in a certain...