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Reasoning Questions For DSSSB Exam: 6th April 2018 (Solutions)

Reasoning Questions For DSSSB Exam: 6th April 2018 (Solutions)_30.1

Q1. Pointing to a girl in a bus, a man tells his friend “She is the daughter of the only son of my father’s wife”. How is the girl related to the man?
(a) Cousin
(b) Daughter
(c) Mother
(d) Sister
Q2. There are five friends Suresh, Kaushal, Madhur, Amit and Ramesh. Suresh is shorter than Kaushal but taller than Ramesh. Madhur is the tallest. Amit is a little shorter than Kaushal but little taller than Suresh. If they stand in the order of their heights who will be the shortest?
(a) Amit
(b) Madhur
(c) Ramesh
(d) Kaushal

Q3. From the given alternatives select the word which cannot be formed using the letters of the given word.
HISTORICAL
(a) RICHES
(b) CHARIOT
(c) CHART
(d) CHAOS

Q4. A group of alphabets are given with each being assigned a number. These have to be unscrambled into a meaningful word and correct order of letters may be indicated from the given responses.
L  R  T  O  A  I
1  2  3  4  5  6
(a) 3 4 1 6 2 5
(b) 3 5 6 1 4 2
(c) 5 3 6 2 4 1 
(d) 6 2 5 3 4 1 
Q5. If FIREWOOD is written as ERIFDOOW, how is FRACTION written as?
(a) ARFITCNO
(b) NOITCARF
(c) CARFNOIT
(d) CRAFNOIT
Q6. If RACKET is written as 813524 in a certain code, how would TRACK be written in that code?
(a) 28153
(b) 41835
(c) 81253
(d) 48135

Q7. Some equations are solved on that basis of a certain system. On the same basis, find out the correct answer for the unsolved equation.
4 × 6 × 9 = 649, 7 × 3 × 2 = 372, 8 × 9 × 4 = ?
(a) 489
(b) 849
(c) 948
(d) 984

Q8. Select the correct combination of mathematical signs to replace * signs and to balance the given equation.
15 * 3 * 5 *20 * 2
(a) + – = ÷
(b) × – = ×
(c) + = + ×
(d) × – = ÷

Q9. Which of the following interchanges of signs would make the given equation correct?
24 + 6 × 3 ÷ 3 – 1 = 14
(a) + and × 
(b) × and – 
(c) ÷ and + 
(d) – and ÷ 
Directions (10): In each of the following questions, select the missing number from the given responses. 
Reasoning Questions For DSSSB Exam: 6th April 2018 (Solutions)_40.1


    Solutions:
    S1. Ans.(b)
    Sol. Only son of man’s father’s wife means the man himself.
    Therefore, that girl is the daughter of that man.
    S2. Ans.(c)
    Sol. Kaushal > Suresh > Ramesh 
    Kaushal > Amit > Suresh
    Madhur > Kaushal > Amit > Suresh > Ramesh
    S3. Ans.(a)
    Sol. There is no ‘E’ letter in the given word.
    S4. Ans.(b)
    Sol. 
    3 5 6 1 4 2
    T A I L O R
    S5. Ans.(c)
    Sol. The word has been divided into two equal parts and the order of letters has been reversed in each part.
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    Reasoning Questions For DSSSB Exam: 6th April 2018 (Solutions)_70.1
    S8. Ans.(b)
    Sol. 15 × 3 – 5 = 20 × 2
    ⇒ 45 – 5 = 40
    S9. Ans.(c)
    Sol. 24 ÷ 6 × 3 + 3 – 1 = 14
    ⇒ 4 × 3 + 3 – 1 = 14
    ⇒ 12 + 3 – 1 = 14
    ⇒ 15 – 1 = 14
    S10. Ans.(d)
    Sol. The product of the first number and the third number in each row is equal to the middle number.
    First Row
    8 × 9 = 72
    Second Row
    6 × 11 = 66
    Third Row 
    9 × 6 = 54