Latest SSC jobs   »   Reasoning Quiz For RRB NTPC :...

# Reasoning Quiz For RRB NTPC : 15th January 2020 of coding-decoding and mathematical operation

Q1.In the following questions select the related words/letters/numbers from the given alternatives.
(a)Let :Leted
(b)Checked : Check
(c)Praised : Praise
(d)Shut : Shut

Q2. A clock showing time 9 : 30 will show what time when seen through a mirror.
(a) 03 : 45
(b)02 : 30
(c)04 : 15
(d)09 : 20

Q3. What is the difference between the place value of ‘9’ and ‘5’ of the given number
4 2 8 6 9 3 7 4 5
(a) 99999
(b) 89000
(c) 80005
(d) 89995

Q4.
It was Sunday on Jan 1, 2006. What was the day of the week Jan 1, 2010?
(a)Sunday
(b) Saturday
(c) Friday
(d) Wednesday

Q5. Which two values from the same side must be interchanged to make the equation correct.
5 + 3 × 6 – 4 ÷ 2 = 4 × 3 – 10÷ 2 + 7
(a) 5 and 2
(b) 4 and 7
(c) 6 and 4
(d) 4 and 3

Q6. Which of the following follow the same pattern as :
K L M O
(a) E F G H
(b) W X Z A
(c) P Q R T
(d) L N P Q

Q7. MAKING is coded as KGMANI then, CAPETO can be coded as ?
(a) POCATE
(b) ETCOPA
(c) PCOAET
(d) POACTE

Q8. How many symbols are there which are immediately preceded by an alphabet but not followed by a number.
X 2 F \$ 4 3 @ M I A # 5 3 @ Z % & 9
(a) One
(b) Two
(c) Three
(d) Four

Q9. Sum of ages of a boy and his cousin is 46. Eight years back, Boy was twice the age of his cousin. Find the age of the boy ?
(a) 16 yrs
(b) 20 yrs
(c) 28yrs
(d) 25 yrs

Q10. AD, EI, JN, PS, ?
(a) WX
(b) UX
(c) WT
(d) SU

Solutions:

S1. Ans.(d)
Sol.
Past form of “buy” is “bought”, similarly. Past form of ‘shut’ is ‘shut’.

S2. Ans.(b)

S3. Ans.(d)
Sol.
90000 – 5 = 89995

S4. Ans.(c)

On 31st December, 2005 it was Saturday.
Number of odd days from the year 2006 to the year 2009 = (1 + 1 + 2 + 1) = 5 days.
On 31st December 2009, it was Thursday.
Thus, on 1st Jan, 2010 it is Friday.

S5. Ans.(c)
Sol.
On interchanging 6 and 4 on LHS
5 + 3 × 4 – 6 ÷ 2 = 4 × 3 – 10 ÷ 2 + 7
⇒ 14

S6. Ans.(c)
Sol. S7. Ans.(a)

S8. Ans.(a)

S9. Ans.(c)
Sol. S10. Ans.(a)
Sol. 