SBI clerk prelims 22 Feb 2020 - Category wise Question and Answer Practice Test with Solutions & PDF

SBI clerk PRACTICE TEST [2 - EXERCISES]

SBI clerk prelims 2019

SBI clerk prelims 22 Feb 2020

Question : 51 [sbi-clerk-prelims-2020]

A container contains mixture of milk & water in ratio 5 : 3 respectively. If 8 lit milk is added in it then ratio of milk to water becomes 11 : 5. Find difference between initial quantity of milk & that of water.

a) 5 lit

b) 38 lit

c) 18 lit

d) 30 lit

e) 10 lit

Answer: (e)

Let initial quantity of milk & water be 5x & 3x lit respectively

ATQ, $\text"5x+8"/\text"3x" = 11/5$

25x + 40 = 33x

⇒ x = 5

Required difference = 5x – 3x = 2x

= 10 lit

Question : 52 [sbi-clerk-prelims-2020]

Rs 6000 when invested at a certain rate at SI for 2 years, it fetches Rs 1200. If the same sum is invested at the same rate for a year compounded half-yearly then find compound interest.

a) Rs 615

b) Rs 600

c) Rs 1200

d) Rs 585

e) Rs 1260

Answer: (a)

Let rate of interest be R%

ATQ, 1200 = $\text"6000×R×2"/100$

R = 10%

Since compounding is done half-yearly, rate of interest = 5%

Effective rate of interest = 5 + 5 + $\text"5×5"/100$ = 10.25%

Required interest = $\text"6000×10.25×1"/100$ = Rs 615

Question : 53 [sbi-clerk-prelims-2020]

A boat can cover 28 km downstream in 42 min. ratio of speed of boat in still water to speed of stream is 7 : 3. Find difference between time taken by boat to cover 60 km downstream & 40 km upstream.

a) 2.25 hr

b) 1 hr

c) 1.5 h

d) 0.4 hr

e) 0.9 hr

Answer: (b)

Let speed of the boat in still water & speed of the stream be 7x & 3x kmph respectively

ATQ, $28/\text"7x+3x" = 42/60$

x = 4

Required difference = $40/\text"7x−3x" − 60/\text"7x+3x"$

= $4/x$  = 1 hour

Question : 54 [sbi-clerk-prelims-2020]

A & B entered into a business by investing total capital of Rs 17000. B withdraws Rs 1500 after 6 months and gets Rs 8100 as profit out of the total profit of Rs 19500 at the end of the year. Find the capital of B after 6 months from starting.

a) Rs 7000

b) Rs 9500

c) Rs 7500

d) Rs 6000

e)

Rs 6500

Answer: (d)

Let amount invested by A be Rs x

Profit ratio; A : B

= (x × 12) : (17000 – x) × 6 + (15500 – x) × 6

= 2x : (32500 – 2x)

ATQ, $\text"19500"/\text"32500−2x+2x" × (32500 − 2x)$ = 8100

32500 – 2x = 13500

x = Rs 9500

Required capital of B after 6 months

= 15500 – x = Rs 6000

Question : 55 [sbi-clerk-prelims-2020]

If the length of a rectangle increase by 40% while keeping breadth constant then the area of rectangle increased by 24 m2 and perimeter of the original rectangle is 32 m. find breadth of the rectangle.

a) 8.4 m

b) 10 m

c) 6 m

d) 14 m

e) 8 m

Answer : (c)

let length & breadth of rectangle be x & y m respectively

ATQ, 1.4xy – xy = 24

xy = 60………(i)

also, 2(x + y) = 32

x + y = 16….(ii)

from (i) & (ii)

x = 10 m, y = 6 m

Breadth of rectangle = 6 m

IMPORTANT previous year question answers EXERCISES
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