The sequence alternates between ascending alphabetic blocks and their reversed equivalents. “FAG” reverses to “GAF”, then “HAI” reverses to “IAH”. The next ascending block after H-A-I is J-A-K.
87. How many three digits can be formed with the digits 0, 1, 2, if the repetition of digits is not allowed?
(A) 4
(B) 6
(C) 27
(D) None of these
Answer:
(A) 4
Explanation:
For a 3-digit number, the hundreds place cannot be ‘0’. Thus, it has 2 choices (1 or 2). After choosing the hundreds digit, 2 digits remain for the tens place. After choosing the tens, 1 digit remains for the units place. Total combinations = 2×2×1=4 numbers (102, 120, 201, 210).
88. 4500x ? = 1800
(A) 2/5
(B) 3/4
(C) 1/4
(D) 3/5
Answer:
(A) 2/5
Explanation:
Let the unknown number be ‘y’. The equation is 4500×y=1800. Therefore, y=
89. Complete the given series by finding the missing term: 28, 33, 31, ?, 34, 39
(A) 34
(B) 35
(C) 36
(D) 37
Answer:
(C) 36
Explanation:
The pattern alternates between adding 5 and subtracting 2. (28+5=33, 33−2=31). Next step: 31+5=36. To verify: 36−2=34, 34+5=39. The missing term is 36.
90. Which word does NOT belong with the others
(A) Index
(B) Glossary
(C) Chapter
(D) Book
Answer:
(D) Book
Explanation:
An index, a glossary, and a chapter are all specific, smaller components that are contained within a larger physical or structural entity. The book is the larger entity itself.
