Mathematics · Aptitude and Combinatorics
In a post office, stamps of three different denominations of Rs. 7, Rs. 8, and Rs. 10 are available. Which of the following exact amounts CANNOT be formed by purchasing a combination of these stamps?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Rs. 29
- 2Rs. 23
- 3Rs. 20
- 4Rs. 19✓
Correct answer
Rs. 19
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