SSC CGL Mock – Tier II Paper I Mock Test 06 – Section I · Part B · Reasoning & General Intelligence – 27 questions, subject: Full Mock Tests. Every question has the correct answer with a one-line explanation; tap "Show Answer". Free practice for TNPSC, UPSC, SSC, Bank and RRB exams – Shanmugam IAS Academy, Coimbatore.
4 × 8 ÷ 2 − 10 + 7 = 13 (BODMAS); it is the only arrangement of the four signs that works.
9.
Mathematical OperationsWith the signs changed as '+' means '×', '−' means '÷', '×' means '−', '÷' means '+', what is 10 × 12 ÷ 18 + 17 − 3?
Correct Answer:
C [100]
Explanation:
Replace the signs: 10 − 12 + 18 × 17 ÷ 3 = 100 (÷ and × first, then + and −).
10.
Blood Relations% stands for son, $ stands for daughter, ÷ stands for husband, × stands for sister (A ∗ B: A is the ∗ of B). From P $ Q $ R ÷ S, find how P is related to S.
Correct Answer:
D [Granddaughter]
Explanation:
Decode: P is the daughter of Q, Q is the daughter of R, R is the husband of S → P is the granddaughter of S.
11.
Direction SenseStarting towards North, Divya makes these turns: 90° clockwise, then 180° anticlockwise, then 135° anticlockwise, then 45° anticlockwise. Where does Divya face at the end?
Correct Answer:
A [East]
Explanation:
Take clockwise as + and anticlockwise as −: net turn = 90 − 180 − 135 − 45 = −270°, i.e.
12.
Order & RankingSix students E, F, G, H, I and J are all of different heights. E is taller than H. F is taller than I. I is taller than E. J is taller than G. H is taller than J. Who is the fifth tallest?
Correct Answer:
D [J]
Explanation:
Only one order fits all the clues.
13.
SyllogismStatements (accept them as true): 1. Some parks are not gardens. 2. Some gardens are lawns. 3. All lawns are fields. I. All parks are fields. II. No gardens are parks. III. All fields are lawns is a possibility.
Correct Answer:
B [Only III follows]
Explanation:
I does not follow; II does not follow; III follows.
14.
SyllogismStatements: 1. Some doctors are singers. 2. Some singers are teachers. 3. No teachers are writers. Conclusions: I. No doctors are writers is a possibility. II. No writers are teachers is a possibility. III. Some writers are singers is a possibility. Which conclusion(s) follow?
Correct Answer:
D [All conclusions follow]
Explanation:
I follows; II follows; III follows.
15.
InequalityGiven V < M > C = E = B < Z, check the conclusions I. M > C and II. C = Z.
Correct Answer:
A [Only conclusion I follows]
Explanation:
I: M > C follows; II: C = Z does not follow (not definitely true).
16.
Venn DiagramUsing the players–girls–musicians diagram: How many players are not girls?
Correct Answer:
C [32]
Explanation:
Add the numbers in every region that fits the condition: 32.
17.
Directions (Q 47–49): Study the information and answer the questions that follow. Seven persons Kumar, Hema, Geeta, Tara, Pooja, Kiran and Nisha live on the 7 floors of a building, one on each floor; floor 1 is the lowest and floor 7 the top. (1) Exactly 5 persons live between Hema and Geeta. (2) Only one person lives between Pooja and Nisha. (3) Pooja lives on the floor immediately above Geeta. (4) Hema lives on the floor immediately above Tara. (5) Exactly 3 persons live between Geeta and Kiran.
PuzzleCount the residents between Geeta and Tara.
Correct Answer:
B [4]
Explanation:
The clues allow only one arrangement.
18.
(Use the directions above – Q 47–49) PuzzleFind the floor of Geeta.
Correct Answer:
A [1]
Explanation:
The clues allow only one arrangement.
19.
(Use the directions above – Q 47–49) PuzzleName the resident of floor 6.
Correct Answer:
B [Tara]
Explanation:
The clues allow only one arrangement.
20.
Data SufficiencyQuestion: Five friends A, B, C, D and E sit in a straight row, all facing north ('left' means towards the west end). E does not sit at either end. A sits somewhere to the left of B. Who sits at the extreme right end? Statements: I. A does not sit at either end. B sits third to the right of A. II. E sits third to the right of C. B is not a neighbour of C. Decide which statement(s) are sufficient to answer the question.
Correct Answer:
A [Statement I alone is sufficient, but statement II alone is not sufficient.]
Explanation:
I fixes the answer; II leaves more than one possibility.
21.
Data SufficiencyQuestion: Five friends Divya, Anita, Geeta, Pooja and Esha sit in a straight row, all facing north ('left' means towards the west end). Only one person sits between Pooja and Esha. Divya sits immediately to the left of Esha. Who sits at the extreme right end? Statements: I. Anita sits at the extreme left end. II. Esha sits exactly in the middle of the row. Decide which statement(s) are sufficient to answer the question.
Correct Answer:
D [Statements I and II together are sufficient, but neither alone is sufficient.]
Explanation:
Neither statement alone fixes the answer, but together they do.
22.
Critical ReasoningSix persons S, T, U, V, W and X live on the 6 floors of a building, one on each floor; floor 1 is the lowest and floor 6 the top. T lives neither on the top floor nor on the lowest floor. V and X do not live on adjacent floors. X lives on the top floor. W lives on some floor above U. W lives on some floor above S. Exactly 3 persons live between S and X. Which of the following MUST be true?
Correct Answer:
C [S lives on an even-numbered floor.]
Explanation:
The clues allow 7 arrangements; 'S lives on an even-numbered floor' holds in all of them, while each other option fails in at least one (e.g.
23.
Calendar1 May 2020 is a Friday. How many Sundays does May 2020 have?
Correct Answer:
D [5]
Explanation:
May 2020 has 31 days = 4 weeks + 3 days; the extra days start on Friday, so Sunday occurs 5 times.
24.
Missing Number9, 4, 2 → 30; 7, 3, 8 → 36; 6, 8, 5 → ? (top, left, right → centre). Which number replaces ?
Paper FoldingA paper is folded – left half over the right half; top half down over the bottom half; along the diagonal (bottom-left part over) – and 1 hole is punched through every layer. Number of holes on unfolding?
Correct Answer:
D [8]
Explanation:
Each fold doubles the layers, so three folds give 2³ = 8 layers; 1 punch × 8 layers = 8 holes (no hole lies on a fold line).
27.
Counting FiguresStudy the figure below (square, diagonals, inner square). Total count of triangles?
Correct Answer:
C [20]
Explanation:
Count the triangles of every size, smallest first, then those made of 2, 3 … parts: 20 in all.
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