If (a2 - b2) ÷ (a + b) = 25, then (a - b) = ?
A. 30
B. 25
C. 125
D. 150
Answer: Option B
Solution(By Examveda Team)
We know (a2 - b2) = (a - b) (a + b)So, (a2 - b2) ÷ (a + b) = 25
⇒ $$\frac{(a - b) (a + b)}{a + b}$$ = 25
⇒ (a - b) = 25
Related Questions on Number System
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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