961 . A man can reach a certain place in 49 hours. If he reduces his speed by 1/15th , he goes 5 km less in that time. Find the total distance covered by him .

A. 60 km
B. 85 km
C. 75 km
D. 52 km

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Answer: Option C

Explanation:

Ratio of speed = 15: 14
Let, the speed be = 14x and 15 x
∴ 15x - 14x = 5
বা, x = 5
Total distance covered = 15 x
= 15 X 5
= 75 km

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সাবস্ক্রিপশন লিংক

962 . A man can row 6 km/hr in still water. If the speed of the current is 2 km/hr, it takes 3 hrs more in upstream than in the downstream for the same distance. The distance is-

A. 30km
B. 24km
C. 20km
D. 32km

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Answer: Option B

Explanation:

D/(6 - 2) – D/(6 + 2) = 3
D = 24
Ans: B.

Sonali- Rupali- Bangladesh Krishi- Rajshahi krishi unnayn-Investment Corporation of Bangladesh | 30.11.2018

A. 2.4 km
B. 3 km
C. 4.5 km
D. 5 km
E. None of these

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Answer: Option D

Explanation:

964 . A man can row downstream at 10 kmph and upstream at 5 kmp. The man's rowing rate in still water is--

A. 2.5 km/hr
B. 5 km/hr
C. 7.5 km/hr
D. 15 km/hr

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Answer: Option C

Explanation:

Let the man's rowing rate and stream's flowing rate be U and V respectively.

So, U + V = 10

And, U - V = 5

- - - - - - - - - - - - - - - - - - - - - - -

U + U = 10 + 5 [By addition]

or, 2U = 15

So, U = 7.5 km/hr

965 . A man can row downstream at 14 km/h and upstream at 8 km/hr. What is the rate of the stream?

A. 22
B. 11
C. 6
D. 3

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Answer: Option D

Explanation:

966 . A man can row upstream at 10 km/h and downstream at 16 km/h. His rate in still water is---

A. 12
B. 26
C. 13
D. 6

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Answer: Option C

Explanation:

967 . A man can row upstream at 8 kmph and downstream at 13 kmph. The speed of the stream is :

A. 2.5 km/hr
B. 4.2 km/hr
C. 5 km/hr
D. 10.5 km/hr

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Answer: Option A

Explanation:

Speed of stream = 1/2 ( 13 - 8) km/hr = 2.5 km/hr

968 . A man can rows 6 km/hr in still water. When the river is running at 1.5 km/hr, it takes him 1.5 hour to row to a place and back. How far is the place?

A. 4.2 km
B. 9.5 km
C. 6 km
D. 5 km

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Answer: Option A

Explanation:

969 . A man could buy a certain number of notebooks for Tk. 300. If each notebook cost is Tk. 5 more, he could have bought 10 notebook less for the same amount. Find the price of each notebook ?

A. 8
B. 10
C. 15
D. 20

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Answer: Option B

Explanation:

Basic bank recruitment 2018; auditor 26.01.2018 || Image 2018

A. Tk. 1500
B. Tk. 2000
C. Tk. 2500
D. Tk. 3000

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Answer: Option D

Explanation:

x/2+500= 2000

=> x+1000= 4000

=> x= 4000-1000 =3000.

বাংলাদেশ ব্যাংক || অফিসার (ক্যাশ) (21-07-2023)

A. 36
B. 24
C. 18
D. 12
E. None of these

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Answer: Option A

Explanation:

72 = 2 × 2 × 2 × 3 × 3

108 = 2 × 2 × 3 × 3 × 3

The highest common factor of 72 and 108 is 36. Therefore he can put 36 marbles at maximum in each packet.

972 . A man has Tk. 210 in coins alone. The coins consist of one taka, 50 paisa and whose numbers form a ratio of 5 : 6 : 8 respectively. How many coins are there in the 50 paisa denomination?

A. 210
B. 168
C. 126
D. 105

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Answer: Option C

Explanation:

973 . A man has Tk 480 in the denominations of one-taka notes, five-taka notes and ten-taka notes. The number of notes of each denomination is equal. What is the total number of notes that he has?

A. 45
B. 60
C. 75
D. 90
E. None of these

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Answer: Option D

Explanation:

Let, each denomination is x 
1x   +   5x   +   10 x  =  480
16x  =  480 
x =  30
So total no of notes  =  30   +   30   +   30  =  90

974 . A man intends to run a certain distance in 1/4 th less than he usually takes. By what percentage must he increase his running speed to accomplish this goal?

A. 33.33%
B. 35%
C. 25%
D. 27.5%

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Answer: Option A

Explanation:

975 . A man invests Tk.900000 in a share earning Tk.9 as divided per share, when a share of face value of Tk.100 is selling for Tk.150. What is his annual income?

A. Tk.54000
B. Tk.81000
C. Tk.15000
D. Tk.58000

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Answer: Option B

Explanation:

961 . A man can reach a certain place in 49 hours. If he reduces his speed by 1/15th , he goes 5 km less in that time. Find the total distance covered by him .

962 . A man can row 6 km/hr in still water. If the speed of the current is 2 km/hr, it takes 3 hrs more in upstream than in the downstream for the same distance. The distance is-

963 . a man can row at 5 km/hr in still water. If the velocity of the current is 1 km/hr and it takes him 1 hour to row to a place and come back, how far is the place?

964 . A man can row downstream at 10 kmph and upstream at 5 kmp. The man's rowing rate in still water is--

965 . A man can row downstream at 14 km/h and upstream at 8 km/hr. What is the rate of the stream?

966 . A man can row upstream at 10 km/h and downstream at 16 km/h. His rate in still water is---

967 . A man can row upstream at 8 kmph and downstream at 13 kmph. The speed of the stream is :

968 . A man can rows 6 km/hr in still water. When the river is running at 1.5 km/hr, it takes him 1.5 hour to row to a place and back. How far is the place?

969 . A man could buy a certain number of notebooks for Tk. 300. If each notebook cost is Tk. 5 more, he could have bought 10 notebook less for the same amount. Find the price of each notebook ?

970 . A man deposits certain amount in his bank account. After a few days. he withdraws half of the money deposited and deposits Tk. 500 more. If he has a balance of Tk. 2000 in his bank account, find the amount deposited initially.

971 . A man has 72 green marbles and 108 red marbles. He decides to pack them into packets of the same size, each containing either all red or all green marbles. What is the greatest number of marbles he can put in each packet?

972 . A man has Tk. 210 in coins alone. The coins consist of one taka, 50 paisa and whose numbers form a ratio of 5 : 6 : 8 respectively. How many coins are there in the 50 paisa denomination?

973 . A man has Tk 480 in the denominations of one-taka notes, five-taka notes and ten-taka notes. The number of notes of each denomination is equal. What is the total number of notes that he has?

974 . A man intends to run a certain distance in 1/4 th less than he usually takes. By what percentage must he increase his running speed to accomplish this goal?

975 . A man invests Tk.900000 in a share earning Tk.9 as divided per share, when a share of face value of Tk.100 is selling for Tk.150. What is his annual income?

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