12345679 × 72 is equal to :
A. 88888888
B. 888888888
C. 898989898
D. 999999998
Answer: Option B
Solution(By Examveda Team)
= 12345679 × 72= 12345679 × (70 + 2)
= (12345679 × 70) + (12345679 × 2)
= 864197530 + 24691358)
= 888888888
This Question Belongs to Arithmetic Ability >> Number System
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Three numbers are in ratio 1 : 2 : 3 and HCF is 12. The numbers are:
A. 12, 24, 36
B. 11, 22, 33
C. 12, 24, 32
D. 5, 10, 15
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