691 . A, P, R, X, S and Z are sitting in a row. S and Z are in the centre, and A and P are at the ends, R is sitting on the left of A. Then who is sitting on the right of P?

A. X
B. S
C. A
D. Z

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Answer: Option A

Explanation:

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সাবস্ক্রিপশন লিংক

692 . A,B,C hired a car for Tk. 520 and used it for 7,8 and 11 hours respectively. Hire charges paid by B were :

A. Tk. 140
B. Tk. 160
C. Tk. 180
D. Tk. 220

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Answer: Option B

Explanation:

Hints: Hire charges paid by B = 520 × 8/7 + 8 + 11 = 160 TK

693 . A,B and C enter into partnership. A invests some money at the beginning, B invest double the amount after 6 months and C invests thrice the amount after 8 months. If the annual profit be Tk. 27,000, C's share is:

A. Tk. 11,250
B. Tk. 8,625
C. Tk. 9,000
D. Tk. 10,800

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Answer: Option C

Explanation:

To find C's share of the annual profit, we'll first calculate the individual contributions of A, B, and C based on their investment durations.

Let's assume A's initial investment is "x" Tk. Since B invests double the amount after 6 months, B's investment at the beginning was "2x" Tk, and C invests thrice the amount after 8 months, so C's investment at the beginning was "3x" Tk.

Now, we need to consider the time each partner's money is invested:

A's money is invested for 12 months (the whole year).
B's money is invested for 6 months (half a year).
C's money is invested for 4 months (12 months - 8 months).
Now, let's calculate their shares of the profit based on their investments:

A's share = (A's investment duration / Total investment duration) * Total profit A's share = (12 / 12) * 27,000 = 27,000 Tk

B's share = (B's investment duration / Total investment duration) * Total profit B's share = (6 / 12) * 27,000 = 13,500 Tk

C's share = (C's investment duration / Total investment duration) * Total profit C's share = (4 / 12) * 27,000 = 9,000 Tk

So, C's share of the annual profit is Tk. 9,000.

694 . A 10% monthly salary increase resulted in a TK. 9000 per year increase in salary for an employee. What was his monthly salary before the increase?

A. Tk. 5000
B. Tk. 9000
C. TK. 7500
D. TK. 12000

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Answer: Option C

Explanation:

Yearly increase = 9000 tk

Monthly increase = 9000/12 = 750 tk

10% of Salary is = 750 tk

100% of Salary is = (750×100)/10 = 7500 tk .

Officer (General) |-Sonali | Janata | Bangladesh Krishi_Bangladesh Development bank ২৪.০৫.২০১৯

A. 6 minutes
B. 7 minutes
C. 8 minutes
D. 9 minutes
E. None of these

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Answer: Option A

Explanation:

Hints: tub টি ভরতে আরো পানি লাগবে (12 - 3) gallons = 9 gallons

1 মিনিটে পূর্ণ হয় ( 3 - 1.5) gallons = 1.5 gallos

1.5 gallons পূর্ণ হয় 1 মিনিটে

9 gallons পূর্ণ হয় 9/1.5 মিনিটে = 6 মিনিটে

696 . A 2 feet wide circular path is created around a circular field with a radious of r feet. Find the value of r, in feet, if the area of the field including the path is twice that of the field alone?

A. 2 + 2√2
B. 4√2
C. 6√2
D. 2√2

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Answer: Option A

Explanation:

697 . A 20% reduction in price allows a customer to purchase 5 kgs of rice at Tk. 160. How much would have to pay if there was no discount?

A. Tk. 180
B. Tk. 200
C. Tk. 210
D. Tk. 240
E. None of them

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Answer: Option B

Explanation:

698 . A 3-digit number 4a3 is added to another 3-digit number 984 to give a 4- digit number 13b7, which is divisible by 11. Then, (a+b)=?

A. 10
B. 11
C. 12
D. 15
E. None of these

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Answer: Option A

Explanation:

699 . A 40-meter long rope is cut into two unequal pieces. If one piece is 18 meter longer than the other, what is the length ( in meter ) of the shorter piece ?

A. 10
B. 11
C. 18
D. None of these

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Answer: Option B

Explanation:

Let,

shorter length = X

∴ Bigger length = X + 18

ATQ,

X + (X + 18) = 40

2x + 18 = 40

2x = 40 - 18

2x = 22

∴ x = 11

Bangladesh Bank - Officer - 2001

A. 5 meters
B. 6 meters
C. 7 meters
D. 11 meters

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Answer: Option D

Explanation:

Let,

shorter length = X

∴ Bigger length = X + 18

ATQ,

X + (X + 18) = 40

2x + 18 = 40

2x = 40 - 18

2x = 22

∴ x = 11

701 . A 45,000 liter water tank is to filled at the rate 220 liters per minute. Estimates to the nearest half hour, how long it will take to fill the tank?

A. 4 hours
B. 3.5 hours
C. 3 hours
D. 2.5 hours

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Answer: Option B

Explanation:

Assume that the tank fills in x minutes

By Direct Proportion,

x1/y1 = x2/y2

220/1 = 45000/x

x = 45000/220

x = 204.54

x = 205 minutes (approx.)

Divide x by 60 in order to convert from Minutes to Hours

⇒ 205/60 = 3.41 hours

Estimating to nearest half hours,

The 45000 L tank is filled in 3.5 hours at the rate of 220 L/m

702 . A 45000 litter water tank is to be filled at the rate of 220 litters per minute. Estimate, to the nearest half an hour, how long it will take to fill the tank?

A. 4 hours
B. 3.5 hours
C. 3 hours
D. 2.5 hours

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Answer: Option B

Explanation:

Assume that the tank fills in x minutes

By Direct Proportion,

x1/y1 = x2/y2

220/1 = 45000/x

x = 45000/220

x = 204.54

x = 205 minutes (approx.)

Divide x by 60 in order to convert from Minutes to Hours

⇒ 205/60 = 3.41 hours

Estimating to nearest half hours,

The 45000 L tank is filled in 3.5 hours at the rate of 220 L/m

703 . A 5 feet stick is cut into two parts so that one part is 2/3 of the other. How long in inches is shorter segment?

A. 3
B. 24
C. 7/2
D. 36

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Answer: Option B

Explanation:

704 . A 5 meter long stick is cut so that one part is 2/3 of the other. How long (in meter) is the shorter segment?

A. 1.25
B. 1.5
C. 2
D. 2.25

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Answer: Option C

Explanation:

Let the longer segment be m.

Therefore, the shorter segment is (2/3)m = 2m/3

Now, m + 2m/3 = 5 or, m = 3

Therefore, the shorter segment is (2/3) x 3 = 2 meter.

705 . A 70cm long wire is to be cut into two pieces such that one piece will be 2/5 as long as the other. How many centimetres will the shorter piece be ?

A. 10
B. 14
C. 20
D. 28

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Answer: Option C

Explanation:

Hints: Let the other price be of length x cm, so the shorter price = 2/5 of x = 2x / 5

Now, 2/5 x + x = 70

7/5 x = 70

x = 50 and 2/5 x = 2/5 × 50 = 20 cm

691 . A, P, R, X, S and Z are sitting in a row. S and Z are in the centre, and A and P are at the ends, R is sitting on the left of A. Then who is sitting on the right of P?

692 . A,B,C hired a car for Tk. 520 and used it for 7,8 and 11 hours respectively. Hire charges paid by B were :

693 . A,B and C enter into partnership. A invests some money at the beginning, B invest double the amount after 6 months and C invests thrice the amount after 8 months. If the annual profit be Tk. 27,000, C's share is:

694 . A 10% monthly salary increase resulted in a TK. 9000 per year increase in salary for an employee. What was his monthly salary before the increase?

695 . A 12 gallon tub has a faucet that lets water in at a rate of 3 gallons per minute, and has a drain that lets water out at a rate of 1.5 gallons per minute. If you start with 3 gallons of water in the tub, how long will it take to fill the tub completely?

696 . A 2 feet wide circular path is created around a circular field with a radious of r feet. Find the value of r, in feet, if the area of the field including the path is twice that of the field alone?

697 . A 20% reduction in price allows a customer to purchase 5 kgs of rice at Tk. 160. How much would have to pay if there was no discount?

698 . A 3-digit number 4a3 is added to another 3-digit number 984 to give a 4- digit number 13b7, which is divisible by 11. Then, (a+b)=?

699 . A 40-meter long rope is cut into two unequal pieces. If one piece is 18 meter longer than the other, what is the length ( in meter ) of the shorter piece ?

700 . A 40 meters long rope is divided into two parts and the one part is 18 meters more than the other one. What is the smaller part?

701 . A 45,000 liter water tank is to filled at the rate 220 liters per minute. Estimates to the nearest half hour, how long it will take to fill the tank?

702 . A 45000 litter water tank is to be filled at the rate of 220 litters per minute. Estimate, to the nearest half an hour, how long it will take to fill the tank?

703 . A 5 feet stick is cut into two parts so that one part is 2/3 of the other. How long in inches is shorter segment?

704 . A 5 meter long stick is cut so that one part is 2/3 of the other. How long (in meter) is the shorter segment?

705 . A 70cm long wire is to be cut into two pieces such that one piece will be 2/5 as long as the other. How many centimetres will the shorter piece be ?

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