Revelian Test Cognitive Ability 5 — Questions and Answers
Question 1: Find the missing number: 2, 5, 10, 17, 26, ___
- 35
- 36
- 37 (Correct answer)
- 38
Correct answer: 37
Differences are 3, 5, 7, 9, 11 (odd numbers); 26 + 11 = 37.
Question 2: A project takes 8 workers 15 days to complete. How many days would it take 12 workers?
- 8 days
- 10 days (Correct answer)
- 12 days
- 14 days
Correct answer: 10 days
Total work = 8 × 15 = 120 worker-days; 120 ÷ 12 = 10 days.
Question 3: Which word is the antonym of FRUGAL?
- Thrifty
- Cautious
- Extravagant (Correct answer)
- Modest
Correct answer: Extravagant
Frugal means careful with money; extravagant means spending excessively, which is the opposite.
Question 4: A rectangle has a perimeter of 48 cm and a width of 10 cm. What is its area?
- 110 cm²
- 120 cm²
- 130 cm²
- 140 cm² (Correct answer)
Correct answer: 140 cm²
Length = (48/2) − 10 = 14 cm; area = 14 × 10 = 140 cm².
Question 5: Which sequence of letters follows the pattern: AZ, BY, CX, ___?
- DE
- DW (Correct answer)
- EW
- DX
Correct answer: DW
First letters go A, B, C, D (forward); second letters go Z, Y, X, W (backward); so DW.
Question 6: If 3x + 7 = 22, what is the value of 6x?
- 5
- 15
- 25
- 30 (Correct answer)
Correct answer: 30
3x = 15, so x = 5; therefore 6x = 30.
Question 7: Four friends sit in a row. Anna must sit next to Beth. Carlos must sit at one end. How many valid arrangements are there?
- 4
- 6
- 8 (Correct answer)
- 12
Correct answer: 8
Carlos occupies 2 end seats; Anna-Beth can be arranged 2 ways and placed in 2 adjacent spots among remaining 3, giving 2×2×2 = 8.
Revelian Test Cognitive Ability 5
Find the missing number: 2, 5, 10, 17, 26, ___