3i-Infotech Company Numerical Ability Sequence and Series

Q. What is the next number of the following sequence.
1,2,12,12,30,.....

Read Solution (Total 1)

2^2-2=2
3^2+3=12
4^2-4=12
5^2+5=30
so next will be
6^2-6=30
7^2+7=56
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11 years agoHelpfull: Yes(4) No(2)

3i-Infotech Other Question

Q. Complete the series
1,12,12,30,.... Q. At a formal dinner for eight; the host & hostesses are seated at opposite ends of a rectangular table. with three persons along each side. Each man must be seated next to at least one Woman and vice-versa. Allan is opposite Di!1nne, who is not the hostess George has' a woman on his right and is opposite a woman Helga is at the hostess's right, next to Frank One person is seated between Belinda & Carol.

Q 1 Eric is the eighth person present. Eric must be :
I. the host II. seated to. Diane's right III. seated opposite Carol
A) I onIy
B) III only
C) I & II only
D) I, II, III

Q 2 If each person is placed directly opposite his or her spouse, which of the following pairs must be married?
A. George & Helga
B. Belinda & Frank
C. Carol & Frank
D. George & Belinda
E. Eric & Helga

Q 3 Which person cannot be seated next to a person of the same sex?
A. Allan
B. Belinda
C. Carol
D. Diane
E. Eric