The reasoning is the most scoring section in any competitive exam. It also develops or nourishes our critical thinking skills as compared to other subjects. In DSSSB,KVS Exam, As a student to score well in this part, you have to start your preparation now because there is negative marking as well. The more you have prepared, the better you score.
Q1. If $ means +, # means –, @ means × and * means ÷, then what is the value of
16 $ 4 @ 5 # 72 * 8 ?
(a) 25
(b) 27
(c) 29
(d) 36
Q2. In a certain code language, “POLIS” is written as “SROLV”. How is “MRUGS” written in that code language?
(a)JLNQF
(b) PUXJV
(c) FNPRA
(d)VJQZT
Q3. In a certain code language, ‘÷’ represents ‘+’, ‘-‘ represents ‘x’, ‘+’ represents ‘÷’ and ‘x’ represents ‘-‘. Find out the answer to the following question.
20 x 12 ÷ 3 – 40 + 12 = ?
(a) 25
(b) 32
(c) 18
(d) 7
Q4. The following equation is incorrect. Which two signs should be interchanged to correct the equation?
14 ÷ 10 x 20 – 40 + 34 = 1
(a)x and –
(b) ÷ an d –
(c) ÷ an d x
(d)– and +
Q5. If 30%6 = –5, 10%5 = –2 and 10%2 = –5, then find the value of 80%8 = ?
(a) 40
(b) 25
(c)–10
(d) 5
Q6. Which of the following terms follows the trend of the given list?
aAAAAAA, AaAAAAA, AAaAAAA, AAAaAAA, AAAAaAA, _______________.
(a) AAAA AAa
(b)aAAAAAA
(c)AaAAAAA
(d)AAAAAaA
Q7. If P denotes ÷, Q denotes ×, R denotes + and S denotes –, then what is the value of
18 Q 12 P 4 R 5 S 6 ?
(a) 53
(b) 59
(c) 63
(d) 65
Q8. In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.
Statement I: Some genies are ogres
Statement II: No magic are genies
Conclusion I: Some ogres are magic
Conclusion II: All magic are ogres
(a) Only conclusion I follows
(b) Only conclusion II follows
(c) Both conclusion s I and II follow
(d) Neither conclusion I nor conclusion II follows
Q9. In the following figure, the rectangle represents Web designers, circle represents Athletes, triangle represents Sculptors and square represents Asians. Which set of letters represents Asians who are not Athletes?
(a) DEF
(b) D
(c) GF
(d) DE
Q10. A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
RMT, PKR, NIP, ?, JEL
(a) KNL
(b) LGN
(c) MHO
(d) KFM
Solutions:
S1. Ans. (b)
Sol. Using the correct symbols, we have:
Given expression = 16 + 4 × 5 – 72 ÷ 8 = 16 + 20 – 9 =36 – 9 = 27.
S3. Ans.(c)
Sol. 20 × 12 ÷ 3 – 40 + 12
= 20 – 12 + 3 × 40 ÷ 12
= 20 – 12 + 3 × 10/3
= 20 – 12 + 10 = 18
S4. Ans.(c)
Sol. 14 ÷ 10 × 20 – 40 + 34 = 1
Interchange, ÷ &×
⇒ 14 × 10 ÷ 20 – 40 + 34
= 7 – 40 + 34 = 41 – 40 = 1
S5. Ans.(c)
Sol. 30 % 6 = 36/6×(-1) = –6
10 % 5 = 10/5×(-1) = –2
10 % 2 =10/2×(-1)= –5
∴ 80 % 8 = 80/8×(-1)= –10
S6. Ans.(d)
Sol. Position of ‘a’
1, 2, 3, 4, 5, 6.
∴ AAAAAaA
S7. Ans.(a)
Sol. Using the correct symbols, we have:
Given expression = 18 × 12 ÷ 4 + 5 – 6 = 18 × 3 + 5 – 6
= 54 + 5 – 6 = 59 – 6 = 53.
S9. Ans.(b)
Sol. Asians who are not Athletes = D
