Model Questions for SSC CHSL (SET-39) REASONING

1. Find the missing number from the given responses.

173 (24) 526
431 (18) 325
253 (?) 471

(a) 22
(b) 42
(c) 30
(d) 06

2. After interchanging ÷ and +, 12 and 18, which one of the following equations becomes correct?

(a) (90 x 18) + 18 = 60
(b) (18 +6) ÷ 12 = 2
(c) (72 =18) x 18 = 72
(d) (12 + 6) x 18 = 36

3. If SPARK is coded as TQBSL, what will be the code for FLAME?

(a) GMBNF
(b) GNBNF
(c) GMCND
(d) GMBMF

4. Find out the correct answer for the unsolved equation on the basis of the given equations.

If 6*5 = 91
8 * 7 = 169
10*7 = 211
then 11 * 10 = ?

(a) 331
(b) 993
(c) 678
(d) 845

5. A child is looking for his father. He went 90 metres in the east before turning to his right. He went 20 metres before turning to his right again to look for his father at his uncle’s place 30 metres from this point. His father was not here. From here he went 100 metres to his north before meeting his father in a street. How far did the son meet his father from the starting point?

(a) 90 m
(b) 100 m
(c) 260 m
(d) 140 m