Q1. Find the next number in the series: 5, 15, 45, 135, 405, ?
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Answer: D. 1215
Each term is multiplied by 3: 405 × 3 = 1215.
SSC CGL General Intelligence & Reasoning Beginner Practice Set 3
25 beginner questions. Tap an option to check it, or open “Show answer” for the explanation.
Topics: Number Series, Alphabet Series, Coding-Decoding, Analogy, Classification, Direction Sense, Ranking and Order, Calendar, Alphabet Test, Dictionary Order
Score: 0 / 0
Q2. Find the next letter in the series: D, F, H, J, ?
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Answer: D. L
Each letter moves 2 places forward: J + 2 = L.
Q3. In a certain code, CLOUD is written as FORXG. How is SCHOOL written in that code?
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Answer: B. VFKRRO
Each letter moves 3 places forward. So SCHOOL → VFKRRO.
Q4. Find the missing term: 33 : 67 :: 25 : ?
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Answer: A. 51
Rule: 2n + 1. 2 × 25 + 1 = 51.
Q5. Find the odd one out: 61, 63, 67, 89
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Answer: A. 63
All except 63 are prime numbers; 63 is composite.
Q6. Ravi walks 15 km towards East, then turns left and walks 20 km. How far is Ravi from the starting point?
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Answer: C. 25 km
Distance = √(15² + 20²) = √625 = 25 km.
Q7. In a row of students, Divya is 8th from the left and 26th from the right. How many students are there in the row?
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Answer: B. 33
Total = 8 + 26 − 1 = 33.
Q8. If today is Thursday, what day of the week will it be after 139 days?
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Answer: D. Wednesday
139 ÷ 7 leaves remainder 6. Thursday + 6 days = Wednesday.
Q9. Which letter is 6th to the right of the 16th letter from the left in the English alphabet?
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Answer: B. V
The 16th letter is P. 6 places to the right gives V.
Q10. If the following words are arranged in dictionary order, which word comes 3rd? Simmer, Simple, Simply, Similar
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Answer: C. Simple
Dictionary order: Similar, Simmer, Simple, Simply. The 3rd word is Simple.
Q11. Find the next number in the series: 25, 40, 55, 70, 85, ?
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Answer: B. 100
Each term increases by 15: 85 + 15 = 100.
Q12. Find the next letter in the series: J, M, P, S, ?
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Answer: C. V
Each letter moves 3 places forward: S + 3 = V.
Q13. In a certain code, PLANT is written as SODQW. How is HORSE written in that code?
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Answer: B. KRUVH
Each letter moves 3 places forward. So HORSE → KRUVH.
Q14. Find the missing term: 3 : 9 :: 5 : ?
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Answer: D. 25
The second term is the square of the first: 5² = 25.
Q15. Find the odd one out: 42, 48, 78, 81
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Answer: A. 81
All except 81 are multiples of 6.
Q16. Pooja walks 8 km towards South, then turns right and walks 15 km. How far is Pooja from the starting point?
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Answer: C. 17 km
Distance = √(8² + 15²) = √289 = 17 km.
Q17. In a row of students, Suresh is 8th from the left and 19th from the right. How many students are there in the row?
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Answer: B. 26
Total = 8 + 19 − 1 = 26.
Q18. If today is Monday, what day of the week will it be after 45 days?
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Answer: B. Thursday
45 ÷ 7 leaves remainder 3. Monday + 3 days = Thursday.
Q19. Which letter is 6th to the right of the 12th letter from the left in the English alphabet?
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Answer: B. R
The 12th letter is L. 6 places to the right gives R.
Q20. If the following words are arranged in dictionary order, which word comes 3rd? Traffic, Travel, Tragic, Trance
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Answer: B. Trance
Dictionary order: Traffic, Tragic, Trance, Travel. The 3rd word is Trance.
Q21. Find the next number in the series: 3, 6, 12, 24, 48, ?
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Answer: B. 96
Each term is multiplied by 2: 48 × 2 = 96.
Q22. Find the next letter in the series: K, M, O, Q, ?
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Answer: B. S
Each letter moves 2 places forward: Q + 2 = S.
Q23. In a certain code, WINTER is written as ZLQWHU. How is BREAD written in that code?
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Answer: A. EUHDG
Each letter moves 3 places forward. So BREAD → EUHDG.
Q24. Find the missing term: 33 : 67 :: 4 : ?
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Answer: A. 9
Rule: 2n + 1. 2 × 4 + 1 = 9.
Q25. Find the odd one out: 144, 255, 256, 324
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Answer: C. 255
All except 255 are perfect squares.