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A Learning Portal from Recruitment India
Which one will replace the question mark ?
25
64
125
144
Answer with explanation
Answer: Option BExplanation
Explanation:
The numbers are squared in ascending order
In first circle,
(3)2 = 9
(4)2 = 16
(5)2 = 25
(6)2 = 36.
In second circle,
(4)2 = 16
(5)2 = 25
(6)2 = 36
(7)2 = 49.
In third circle,
(6)2 = 36
(7)2 = 49
(8)2 = 64
(9)2 = 81.
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Shan is 55 years old, Sthian is 5 years junior to Shan and 6 years senior to Balan. The youngest brother of Balan is Devan and he is 7 years junior to him. So what is the age difference between Devan and Shan ?
13 years
18 years
15 years
7 years
Answer with explanation
Answer: Option BExplanation
Age of Shan = 55 years
Age of Sathian = 55-5 = 50 years
Age of Balan = 50-6 = 44 years
Age of Deven = 44-7 = 37 years
Thus, difference between Devan and Shan,
= 55 -37
= 18.
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