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 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.

Directions (1-2): Find the missing term in the following number series.

Q1. 12, 8, 14, 6, 16, ?
(a) 18
(b) 32
(c) 5
(d) 4
Q2. 1, 6, 13, 22, 33, ?
(a) 47
(b) 43
(c) 46
(d) 44

Q3. Anu is 300 days older than Varun and Sandeep is 50 weeks older than Anu. If Sandeep was born on Tuesday, on which day was Varun born?
(a) Monday
(b) Thursday
(c) Tuesday
(d) Friday

Q4. From the given alternatives, select the word which can be formed using the letters of the given word.
IMMEASURABLE
(a) BAILABLE
(b) BLUE
(c) MEAT
(d) BIBLE

Q5. In a code language ‘FORGE’ is written as ‘FPTJI’; how should ‘CULPRIT’ be written in the same code?
(a) CVNSVNZ
(b) CSJNPGR
(c) CVMQSTU
(d) CXOSULW

(a) SLPHO
(b) SHLPO
(c) SLOPH
(d) QAZTT

Q7. If 2 × 16 = 8; 8 × 8 = 1; 6 × 12 = 2, then 12 × 144 = ?
(a) 11
(b) 12
(c) 16
(d) 24

Q8. Some equations are solved on the basis of a certain system. Using the same, solve the unsolved equation.
If 10 – 3 = 12, 12 – 4 = 13, 14 – 5 = 14, then 16 – 6 = ?
(a) 10
(b) 15
(c) 16
(d) 18

Directions (9-10): In each of the following questions, select the missing number from the given responses.

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