976 . A man purchases two clocks A and B at a total cost of Tk 650. He sells A with a 20% profit and B at a loss of 25% and gets the same selling price for both clocks. What are the purchasing prices of A and B respectively?

A. 225, 425
B. 275, 375
C. 300, 350
D. 250, 400

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Answer: Option D

Explanation:

Let the cost price of clock A be ₹ x and that of clock B be ₹ (650 - x) From the given information, we can write 120 % of x = 75 % of (650 - x) Therefore, \frac{120}{100} \times x = \frac{75}{100} \times (650 - x) \Rightarrow x = \frac{75}{120} \times (650 - x) \Rightarrow x = \frac{5}{8} \times (650 - x) \Rightarrow 8 x = 3250 - 5 x \Rightarrow 8 x + 5 x = 3250 \Rightarrow 13 x = 3250 \Rightarrow x = \frac{3250}{13} \Rightarrow x = 250 Hence, the cost of clock A = ₹ 250 So, the cost of clock B = ₹ (650 - 250) = ₹ 400 Hence, the purchasing price of clock A is ₹ 250 and clock B is ₹ 400 .

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বাংলাদেশ ব্যাংক || সহকারী পরিচালক (AD) (20-10-2023)

A. 30 minutes
B. 60 minutes
C. 90 minutes
D. 120 minutes
E. None of these

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Answer: Option A

Explanation:

ধরি নৌকা ও স্রোতের বেগ x ও y

স্রোতের প্রতিকূলে 90 মিনিট বা 3/2 ঘন্টায় যায় 3 মইল

স্রোতের প্রতিকূলে 1 ঘন্টায় যায় (3×2) / 3 মাইল = 2 মাইল

x - y = 2

x - 2 = 2 [ y = 2]

x = 4

স্রোতের প্রতিকূলে বেগ = x + y + 4 + 2 = 6

6 মাইল যায় 1 ঘন্টায়

3 মাইল যায় 3/6 ঘন্টায় = 1/2 ঘন্টায়

= 30 মিনিট

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978 . A man rowing in favour of current can go 80 km in 10 hrs and he can go the same distance in 40 hrs against the current. What is the speed of the current per hour?

A. 3 km
B. 4 km
C. 5 km
D. 10 km

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Answer: Option A

Explanation:

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979 . A man rows a certain distance along the stream and against the stream in 1 hour and 1.5 hours respectively . If the velocity of the current is 3 km /hr. what is the speed of a man in still water?

A. 12 km /hr
B. 13 km /hr
C. 11 km /hr
D. 15 km /hr

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Answer: Option D

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980 . A man rows upstream 24 km and downstream 36 km, taking 6 hours each time. The velocity of the current will be:

A. 1
B. 5
C. 4
D. 3

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Answer: Option A

Explanation:

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981 . A man run x miles in m minutes. What is his rate of run in miles per hour?

A. 60x/m
B. 60/x
C. mx/60
D. x/60m

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Answer: Option A

Explanation:

Time = m/60 hour

Rate of run = distance / time = x / (m/60) = 60x/m miles per hour

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982 . A man runs x miles in m minutes. What is his rate of run in miles per hour?

A. 60x/m
B. 60/x
C. mx/60
D. x/60m
E. None of these

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Answer: Option A

Explanation:

Time = m/60 hour

Rate of run = distance / time = x / (m/60) = 60x/m miles per hour

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983 . A man saves Tk. 200 at the end of each year and lends the money at 5% compound interest. How much will it become at the end of 3 years?

A. Tk. 565.25
B. Tk. 662.02
C. Tk. 635
D. Tk. 666.50

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Answer: Option B

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984 . A man saves Tk 20,000 in 10 years. He saves Tk 200 more every year than the previous year, except the first year. How much does he save in the first year?

A. 1200 Tk
B. 1100 Tk
C. 1000 Tk
D. 500 Tk

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Answer: Option B

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Uttara Bank PLC || Probationary Officer (09-11-2024) || 2024

A. Tk.3200
B. Tk.4800
C. Tk.4000
D. Tk.3600

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Answer: Option B

Explanation:

Total S.P. = Tk. 8000 and
Total C.P. = Tk. 8000
S.P. of 1st commodity = Tk. 4000
Gain on it = 25%

∴ C.P. of 1st commodity = Tk. {(100/125)×4000}

= Tk. 3200
C.P. of 2nd commodity = Tk. (8000−3200) = Tk. 4800 Ans.

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সমন্বিত ৮ ব্যাংক ও ১ টি আর্থিক প্রতিষ্ঠান || সিনিয়র অফিসার (সাধারণ) (20-01-2023)

A. 26
B. 25
C. 22
D. 24

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Answer: Option D

Explanation:

S.P of 20 articles = Rs. 60,

Gain = 20%

C.P of 20 articles = Rs. (100/120 × 60) = Rs. 50

Rs. 50, he bought = 20 articles

Rs. 60, he bought = (20/50 × 60) = 24 articles

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987 . A man sold his watch at a loss of 5% . Had he sold it for Tk. 56.25 more he would have gained 10% . what was the cost on of the watch ?

A. 260
B. 280
C. 375
D. None of these

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Answer: Option C

Explanation:

He sold his watch at loss of 5%. If he sells his watch for Rs. 56.25 more, he would gain 10%. It means that15% = Tk. 56.25.
So,1% = 56.2515
100% = 56.25 × 10015
= Tk. 375
Therefore, the cost price of the watch is Tk. 375

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988 . A man sold his watch at a loss of 5%. Had he sold it for Tk.56.25 more he would have gained of 10%. The cost price of the watch is--

A. Tk.250
B. Tk.375
C. Tk.280
D. None of these

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Answer: Option B

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989 . A man spends 35% of his income on house rent, 75% of the remaining on other items. What percentage of income does he save?

A. 48.75
B. 35.55
C. 16.25
D. 34.50

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Answer: Option C

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990 . A man spends 75% of his income. His income increases by 20% & his expenditure increases by 15%. His saving are then increased by-

A. 5%
B. 10%
C. 23%
D. 35%

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Answer: Option D

Explanation:

প্রশ্নে বলা হচ্ছে - এক লোক তার আয়ের 75% ব্যয় করেন। তার আয় 20% বেড়ে গেল এবং ব্যয় বেড়ে গেল 15% একন তার সঞ্চয় শতকরা ক বাড়বে?

ধরি লোকটি আয় = 100 টাকা

অতএব, লোকটির ব্যয় = 75 টাকা এবং সঞ্চয় থাকে

= 100 - 75 = 25 টাকা

20% বৃদ্ধিতে নতুন আয় = 100 + 20 = 120 টাকা

15% বৃদ্ধিতে নতুন ব্যয় = 75 + 75 এর 15%

= 75 + (75×15)/100 = 86.25 টাকা

অতএব, সঞ্চয় বাড়ে = 120 - 86.258 = 33.75 টাকা

অতএব, শতকরা, = {(33.75 - 25/25) × 100} %

{(8.75/75) × 100} % = 35%

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সমন্বিত ৬ ব্যাংক ও আর্থিক প্রতিষ্ঠান - সহকারী প্রোগ্রামার - 18.03.2021

976 . A man purchases two clocks A and B at a total cost of Tk 650. He sells A with a 20% profit and B at a loss of 25% and gets the same selling price for both clocks. What are the purchasing prices of A and B respectively?

977 . A man rowed 3 miles upstream in 90 minutes. If the river flowed with a current of 2 miles per hour, how long did the man's return trip take?

978 . A man rowing in favour of current can go 80 km in 10 hrs and he can go the same distance in 40 hrs against the current. What is the speed of the current per hour?

979 . A man rows a certain distance along the stream and against the stream in 1 hour and 1.5 hours respectively . If the velocity of the current is 3 km /hr. what is the speed of a man in still water?

980 . A man rows upstream 24 km and downstream 36 km, taking 6 hours each time. The velocity of the current will be:

981 . A man run x miles in m minutes. What is his rate of run in miles per hour?

982 . A man runs x miles in m minutes. What is his rate of run in miles per hour?

983 . A man saves Tk. 200 at the end of each year and lends the money at 5% compound interest. How much will it become at the end of 3 years?

984 . A man saves Tk 20,000 in 10 years. He saves Tk 200 more every year than the previous year, except the first year. How much does he save in the first year?

985 . A man sells 2 commodities for Tk. 4000 each, neither losing nor gaining in the deal. If he sold one commodity at a gain 25% then what is the cost price of another commodity?

986 . A man sold 20 articles for Tk.60 and gained 20%. How many articles did he buy for Tk.60?

987 . A man sold his watch at a loss of 5% . Had he sold it for Tk. 56.25 more he would have gained 10% . what was the cost on of the watch ?

988 . A man sold his watch at a loss of 5%. Had he sold it for Tk.56.25 more he would have gained of 10%. The cost price of the watch is--

989 . A man spends 35% of his income on house rent, 75% of the remaining on other items. What percentage of income does he save?

990 . A man spends 75% of his income. His income increases by 20% & his expenditure increases by 15%. His saving are then increased by-

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