alleryA sweetseller has 420 kaju and 130 badam barfis and wants equal stacks using the least tray area. Each stack holds:
A42
B10
C30
D13
Answer & Solution
Correct answer: B. 10
1. Find the HCF of 420 and 130.
2. 420 is 130 times 3 plus 30, 130 is 30 times 4 plus 10.
3. The HCF is 10.
_Source: syllabus Mathematics, Chapter 1, Real Numbers._
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