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UGC NET Paper 1 GA 2014 June Solved Paper
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© examsnet.com
Question : 7
Total: 60
In a post-office, stamps of three different denominations of ₹ 7, ₹ 8, ₹ 10 are available. The exact amount for which one cannot buy stamps is
19
20
23
29
Validate
Solution:
A. 19 = 7 × 2 + 5 = 8 × 2 + 3 = 10 × 1 + 8 × 1 + 1 = 10 × 1 + 7 × 1 + 2
B. 20 = 10 × 2 = 20
C. 23 = 8 × 2 + 7 × 1 = 16 + 7 = 23
D. 29 = 7 × 3 + 8 × 1 = 21 + 8 = 29
Hence, the exact amount for which one can not buy stamps is 19.
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