RBI assistant prelims (14 feb) 2020 Questions and Answers Detailed Explanation
MOST IMPORTANT previous year question answers - 1 EXERCISES
Directions:
What value will come in place of the question mark (?) in the following question?
The following question based on RBI assistant topic of previous year question answers
(a) 200
(b) 175
(c) 150
(d) 85
e) 225
The correct answers to the above question in:
Answer: (a)
$\text"1700 + 4100 + 5200"/? = 55$
⇒ ? = 11000 ÷ 55 = 200
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Read more rbi assistant prelims 14 feb 2020 Based Previous Year Questions and Answers
Question : 1
$√{35% of 80 + 8} = ?$
a) 5
b) 14
c) 12
d) 8
e) 6
Answer »Answer: (e)
$√{35% of 80 + 8} = ?$
⇒ ? = √(28 + 8)
⇒ ? = √36
⇒ ? = 6
Question : 2
3500 ÷ (3030 – 2855) = ?
a) 20
b) 42
c) 48
d) 18
e) 36
Answer »Answer: (a)
? = 3500 ÷ (3030 – 2855)
⇒ ? = 3500 ÷ 175
⇒ ? = 20
Question : 3
43 + 5 × 8 + ? = 285
a) 154
b) 112
c) 181
d) 136
e) 95
Answer »Answer: (c)
43 + 5 × 8 + ? = 285
⇒ 64 + 40 + ? = 285
⇒ ? = 285 – 64 – 40 = 181
Question : 4
12% of 50% of 8600 = ?
a) 516
b) 492
c) 680
d) 432
e) 664
Answer »Answer: (a)
? = 12% of 50% of 8600
⇒ ? = 12% of 4300
⇒ ? = 516
Question : 5
A, B and C are 3 positive integers such that A is 20% less than C and C is 50% more than B. If sum of A, B and C is 111, then find the value of B
a) 32
b) 20
c) 30
d) 40
e) 36
Answer »Answer: (c)
C = B + 50% of B = 1.5 B
A = C – 20% of C = C – 0.2C = 0.8 C = 0.8 × 1.5 B = 1.2 B
According to question,
A + B + C = 111
⇒ 1.2B + B + 1.5B = 111
⇒ 3.7B = 111
⇒ B = 30
Question : 6
Ajay spends 20% of his monthly salary on rent. He spends 40% of remaining on other expenses. If his expenditure on the other expenses is Rs. 9600, then find his expenditure on rent.
a) Rs. 12,000
b) Rs. 6,500
c) Rs. 9,000
d) Rs. 6,000
Answer »Answer: (d)
Let his monthly salary = 100x, then
Expense on rent = 20x
Expense on other expenses = 40% of (100 – 20)x
= 40% of 80x = 32x
According to question,
32x ≡ Rs. 9600
⇒ x ≡ Rs. 300
Hence, his expenditure on hours rent = 20x
⇒20 × Rs. 300
⇒ Rs. 6000.
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