a) 215
b) 220
c) 225
d) 235
Answer: c
Explanation: LCM = 45 HCF
LCM + HCF = 1150
45 × HCF + HCF = 1150
46 × HCF = 1150
HCF = 25
LCM = 45 × 25 = 1125
Now, use the formula,
1st number × second Number = LCM × HCF
125 × second number = 1125 × 25
Second Number = 225
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