IBPS RRB clerk 19 sep 2020 Questions and Answers Detailed Explanation
MOST IMPORTANT previous year question answers - 1 EXERCISES
Directions:
What should come in place of the question mark (?) in the following questions?
The following question based on IBPS RRB Clerk topic of previous year question answers
(a) 45.25
(b) 44.75
(c) 44.25
(d) 43.25
e) 42.25
The correct answers to the above question in:
Answer: (d)
? = 18$1/2$ - 2$1/4$ + 33
= $37/2$ - $9/4$ + 27
= $\text"74-9+108"/4$ = $173/4$
=43.25
Hence, the answer is D.
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Read more ibps rrb clerk prelims 19 sep 2020 Based Previous Year Questions and Answers
Directions:
What should come in place of the question mark (?) in the following questions?
Question : 1
4$2/3$ x $2/7$ + ? = 9
a) 5$1/21$
b) 6$1/3$
c) 7$2/3$
d) 5$2/7$
e) 2$1/7$
Answer »Answer: (c)
4$2/3$ x $2/7$ + ? = 9
⇒ $14/3$ × $2/7$ + ? = 9
⇒ ? = 9 - $4/3$
⇒ ? = 7$2/3$
Question : 2
299 ÷ 13 × ? = 127 – 35
a) 4
b) 2
c) 5
d) 3
e) 1
Answer »Answer: (a)
⇒ 299 ÷ 13 × ? = 127 – 35
⇒ 23 × ? = 127 – 35
⇒ 23 × ? = 92
⇒ ? = 92 ÷ 23
⇒ ? = 4
Question : 3
382 + 52 – 173 = 6?
a) 5
b) 4
c) 8
d) 2
e) 6
Answer »Answer: (b)
382 + 52 – 173 = 6?
⇒ 1444 + 25 – 173 = 6?
⇒ 1296 = 6?
⇒ ? = 4
Question : 4
192 × 4 = ?2 – $√{256}$
a) 28
b) 26
c) 24
d) 30
e) 32
Answer »Answer: (a)
192 × 4 = ?2 – $√{256}$
⇒ 768 = ?2 – 16
?2 = 768 + 16
= 784 = 282
⇒ ? = 28
Hence, the answer is A.
Question : 5
$√{?+8} = 1/2 of 16^2$
a) 256
b) 512
c) 2048
d) 4096
e) 1024
Answer »Answer: (c)
$√{?+8} = 1/2 of 16^2$
$√{?+8} = 128$
Squaring on both sides, we get
? × 8 = 1282
⇒ ? = 2048
Hence, the answer is C.
Question : 6
$√{400} + (5 + 2)^2$ = ?
a) 469
b) 49
c) 449
d) 59
e) 69
Answer »Answer: (e)
? = $√{400}+ (5 + 2)^2$
= 20 + 49 = 69
Hence the answer is E.
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