181 . Average weight of 8 persons is 120 lb. One person leaves the group and a new person comes in and the new average is 122 lb. If the weight of the outgoing person is 110 lb, then what is the weight of the incoming person?

A. 126
B. 122
C. 118
D. 120
E. None of them

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Answer: Option A

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182 . $a^{x} = b, y^{y} = c a n d c^{z} = a,$ then the value of xyz

A. $0$
B. $1$
C. $\frac{1}{a b c}$
D. $a b c$

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Answer: Option B

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Bangladesh Bank - Assistant Director - 2014

A. 8
B. 64
C. 16
D. 4

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Answer: Option B

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184 . Babu's income is Tk.1000 more than that of Selim. Their total salary is Tk.x. What is Selim's salary?

A. x/2 - 500
B. (x + 1000)/2
C. (2x - 500)/2
D. 2x - 1000
E. None of these

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Answer: Option A

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185 . Babu hired a labor to clean his garden for Tk.35.50. He was very happy with the cleaning and paid the labor bonus in addition to the original agreed Tk.35.50. If the bonus was more than 10 percent but less than 15 percent of the contract amount, then the total amount paid must have been between Tk.

A. 40 & 42
B. 39 & 41
C. 38 & 40
D. 37 & 39
E. None of these

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Answer: Option B

Explanation:

Total amount paid if bonus was 10% = 35.50 + 10% of 35.50 = 35.50 + 3.55 = 39.05 TK

Total amount paid if bonus was 15% = 35.50 + 15% of 35.50 = 35.50 + 5.325 = 40.825 TK

So, the total amount paid must have been in between 39 TK & 41 TK.

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186 . Bank X pays a simple interest of TaKa 80 on principal o taka 1,000 annually . Bank y pays a simple interest of TaKa 140 on a principal of Taka 1000 annually . What is the ratio of the interest rates of Bank x to Bank y ?

A. 4:7
B. 6:8
C. 9:18
D. 2:7
E. None of them

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Answer: Option A

Explanation:

Ratio of the interest rates of Bank X to Bank Y = 80/140 = 4/7

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Bangladesh Bank - Assistant Director - 2012

A. Tk.1.80
B. Tk.2.61
C. Tk.2.70
D. Tk.3.51
E. Tk.3.60

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Answer: Option E

Explanation:

The call lasted for 1 minute and 27 seconds, which is a total of 87 seconds. Any call duration of less than 30 seconds is rounded up to the nearest 30-second unit, so the duration of this call will be rounded up to 90 seconds, which is 3 units of 30 seconds.

The first 30-second unit costs Tk. 1.80, so the cost of the first unit is Tk. 1.80.

The remaining 2 units of 30 seconds each cost Tk. 0.90 per unit, so the cost of the remaining units is Tk. 0.90 x 2 = Tk. 1.80.

Therefore, the total cost of the call is Tk. 1.80 + Tk. 1.80 = Tk. 3.60.

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188 . By selling 32 guavas for Tk. 30 at the rate of Tk. 1.066 per guava a man loss 25% . How many guavas should be sold for tk. 18 to gain 20% of profit in the transaction?

A. 24
B. 12
C. 18
D. 36

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Answer: Option B

Explanation:

৩২ টা পেয়ারা র মূল্য ৩০ টাকা হলে ১টা পেয়ারার মূল্য .৯৪ টাকা।

২৫% লস মানে, ৭৫ টাকা বিক্রয়মূল্য হলে ক্রয়মুল্য ১০০

০.৯৪ টাকায় ক্রয়মূলয় ১.২৫ টাকা

আবার, ২০% লাভ মানে, ক্রয়মূল্য ১০০ টাকা হলে বিক্রয়মূল্য ১২০

ক্রয়মুল্য ১.২৫ টাকা হলে বিক্র্যমূল্য (১২০*১.২৫)/১০০ = ১.৫ টাকা

তাই ১৮ টাকায় পেয়ারা বিক্রি করবে (১৮/১.৫) = ১২ টা পেয়ারা

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Senior Officer- 8 Bank Recruitment Test 31-08-2018

A. TK. 280
B. TK. 40
C. TK. 360
D. TK. 140
E. TK. 500

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Answer: Option B

Explanation:

Let cost price Tk. x

x + x/100 × x = 56

100 x + x2 = 5600

x^2 + 100x - 5600 = 0

x^2 + 140 x - 40 x - 5600 = 0

x ( x + 140) - 40 ( x + 140) = 0

( x + 140) ( x - 40) = 0

x = - 140 ( not acceptable)

x = 40

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Bangladesh Bank - Assistant Director - 2011

A. Tk.15.00
B. Tk.12.50
C. Tk.12.75
D. Tk.15.50
E. Tk.18.00

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Answer: Option A

Explanation:

২০% লাভে রিটেইলারের বিক্রয়মূল্য = ১০০+২০ =১২০ টাকা

ক্রয়মূল্য ১২০ টাকা হলে বিক্রয়মূল্য ১০০ টাকা

ক্রয়মূল্য ১ টাকা হলে বিক্রয়মূল্য ১০০ /১২০ টাকা

ক্রয়মূল্য ২১.৬০ টাকা হলে বিক্রয়মূল্য ১০০ *২১.৬/১২০ টাকা

= ১৮ টাকা

( যা উৎপাদকের বিক্রয়মূল্য)

২০% লাভে প্রডিউছারের বিক্রয়মূল্য ১২০ টাকা

বিক্রয়মূল্য ১২০ টাকা হলে উৎপাদন খরচ ১০০ টাকা

বিক্রয়মূল্য ১ টাকা হলে উৎপাদন খরচ ১০০ /১২০ টাকা

বিক্রয়মূল্য ১৮ টাকা হলে উৎপাদন খরচ ১০০*১৮/১২০ টাকা

= ১৫ টাকা

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191 . Choose the pair of numbers which comes next : 75, 65, 85, 55, 45, 85, 35, .......?

A. 25, 15
B. 25, 85
C. 35, 25
D. 35, 85
E. 15, 85

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Answer: Option B

Explanation:

75, 55, 35

65, 45, 25

85, 85, 85

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Bangladesh Bank - Assistant Director - 2011

A. 6
B. 9
C. 10
D. 20

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Answer: Option D

Explanation:

To form a task force consisting of one member of X and one member of Y, you can use the concept of combinations. Since committee X has 4 members and committee Y has 5 members, you have choices for selecting one member from each committee.

The number of different task forces possible is the product of the number of ways you can choose one member from each committee.

Number of ways to choose one member from X = C(4, 1) = 4 (choose 1 from 4) Number of ways to choose one member from Y = C(5, 1) = 5 (choose 1 from 5)

Total number of different task forces = 4 (from X) * 5 (from Y) = 20

So, there are 20 different task forces possible.

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সমন্বিত ৯ ব্যাংক | 07-01-2022 ||

A. Tk. 2.250
B. Tk. 2500
C. Tk. 3100
D. Tk. 3250

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Answer: Option C

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সমন্বিত ৯ ব্যাংক | 07-01-2022 ||

A. 9
B. 10
C. 12
D. 13

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Answer: Option D

Explanation:

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Sonali &amp-Janata Bank | Officer (IT)| 04.01.2019

195 . $\cos θ + \sin θ = 1, t h e n θ = ?$

A. $30 °$
B. $45 °$
C. $60 °$
D. $90 °$

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Answer: Option D

Explanation:

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অফিসার (জেনারেল) - 12.11.2021

181 . Average weight of 8 persons is 120 lb. One person leaves the group and a new person comes in and the new average is 122 lb. If the weight of the outgoing person is 110 lb, then what is the weight of the incoming person?

BdMerit-এর ১ বছরের প্রিমিয়াম প্যাকেজ কিনে ১০ মাস নিয়মিত প্রস্তুতি নিন—

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183 . a² + 3ab = 145, If a = 5, then what is the value of b²?

184 . Babu's income is Tk.1000 more than that of Selim. Their total salary is Tk.x. What is Selim's salary?

186 . Bank X pays a simple interest of TaKa 80 on principal o taka 1,000 annually . Bank y pays a simple interest of TaKa 140 on a principal of Taka 1000 annually . What is the ratio of the interest rates of Bank x to Bank y ?

188 . By selling 32 guavas for Tk. 30 at the rate of Tk. 1.066 per guava a man loss 25% . How many guavas should be sold for tk. 18 to gain 20% of profit in the transaction?

189 . By selling a book for TK. 56, gain is as much percent as it costs in taka. The cost price is :

190 . By selling an item, the producer, the wholesaler and the retailer all make profits at 20%. If the itewm sells for Tk.21.60 by the retailer, find the production cost of the item.

191 . Choose the pair of numbers which comes next : 75, 65, 85, 55, 45, 85, 35, .......?

192 . Committee X has 4 members, committees Y has 5 members, and these committees have no members in common. If a task force is to be formed consisting of one member of X and one member of Y, how many different task forces are possible?

193 . Company C produces toy trucks at a cost of Tk. 5.00 each for the first 100 trucks and Tk. 3.50 for each additional truck. If 500 toy trucks were produced by company C and sold for Tk. 10.00 each, what was company C's gross profit?

194 . Consider the following recursive function fun (s , y). what is the value of fun ( 4, 3) int fun ( int x , int y) if ( x =0) return y; return fun ( x,1, x+y); |

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