The sum of three numbers is 252. If the first number is thrice the second and third number is two-third of the first, then the second number is :
A. 41
B. 21
C. 42
D. 84
Answer: Option C
Solution(By Examveda Team)
Let the number is a, b, ca = 3b $$\frac{a}{b}$$ = $$\frac{3}{1}$$
c = $$\frac{2}{3}$$a $$\frac{c}{a}$$ = $$\frac{2}{3}$$
c | a | b |
2 | 3 | |
3 | 1 |
So, (2 + 3 + 1) = 252 units
6 units → 252
1 unit → 42
3 units → 42 × 3
So, second number is = 42
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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