2821 . Rahim and Karim donated Tk. 100. each in charity . Karim gives each tk. 1 more than Rahim and Rahim distributes money to 5 more people than Karim . How many people are there in this charity ?

A. 45
B. 72
C. 90
D. 60

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Answer: Option A

Explanation:

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2822 . Rahim and Karim each fire 20 shots at a mark and agree to register 4 points for every hit and to deduct 3 points for every miss. One hits the mark 12 times, the other 8 times. What are their separate scores?

A. 24,-4
B. 72,68
C. 48,32
D. 74,16
E. 80,60

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Answer: Option A

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Bangladesh Bank - Officer(Cash) - 2011

A. 50/3 yr
B. 83/3 yr
C. 44/3 yr
D. 20/3 yr

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Answer: Option A

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Basic bank recruitment 2018; auditor 26.01.2018 || Image 2018

A. 16.80
B. 15.50
C. 16.00
D. 14.40

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Answer: Option C

Explanation:

C.P. of dozen apples = Rs. (12 x 4 + 16 x 2) = Rs. 80
Gain = 20%
∴ S.P. = Rs. (120/100) x 80 = Rs. 96
S.P. per dozen = Rs. (96/6) = Rs. 16

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2825 . Rahim has three times as much money as Karim has . If Rahim Tk. 50 then Karim will have three times as much money as Rahim will have . How much money do they have together?

A. 75
B. 100
C. 120
D. 120

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Answer: Option B

Explanation:

Case 1: Rahim has three times as much money as Karim has.
let, karim's money = x, so rahim's money = 3x
Case 2: If Rahim gives Karim TK.50 then Karim will have three times as much money as Rahim will have.
After the condition - Rahim gives Karim TK.50
Karim's money = x + 50 & rahim's money = 3x - 50
After the condition - Karim will have three times as much money as Rahim will have,
karim's maney = 3 * rahim's money
or, x + 50 = 3(3x - 50)
or, x + 50 = 9x - 150
or, 8x = 200
so, x = 25
So, The money do they have together is: x + 3x = 4x = 4*25 = 100
Answer: 100

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2826 . Rahim invested in all Tk. 2600 in three different schemes at 8% ,4% and 6% per annum simple interest . At the end of the year, he received the same interest in all the three schemes. What is the money invested in scheme having 4% rate of interest?

A. TK.700
B. Tk. 800
C. TK. 50
D. TK. 1200

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Answer: Option D

Explanation:

He needs to invest money in the inverse ratio of 8 %, 4% and 6%.

The ratio of money at 8% : money invested at 4% : money invested at 6% = 1/8: 1/4: 1/6

1/8*24:¼*24:1/6*24

3:6:4

Sum of the ratios = 3+6+4=13

Money invested 4% SI = 6/13*2600=1200

Ans :1200.

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2827 . Rahim is now 10 years younger than Karim. If in 5 years Karim becomes twice as old as Rahim, how old will Rahim be in 3 years?

A. 8
B. 6
C. 14
D. 18

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Answer: Option A

Explanation:

Let, Karim is x years old

Rahim = ( x - 10) years old

According to question,

( x + 5) = 2 ( x - 10 + 5)

x + 5 = 2x - 10

x = 15

After 3 years Rahim will be = 15 - 10 + 3 = 8 years.

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2828 . Rahim is now 14 years older than Karim . If in 10 years Rahim will be twice as old as Karim, how old will Rahim be in 5 years?

A. 9
B. 19
C. 21
D. 23
E. None of them

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Answer: Option D

Explanation:

Let's say age of,

K=x years

So, R=(14+x) years

As per the question,

14+x=2x+10

or, x=4 years

So, K=20 years

and, R=14+4=18 years

After 5 years, Rahim's age will be=18+5=23 years

(ans)

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2829 . Rahim is two years older than Karim who is twice as old as Ashraf. If the ages of the three total 27 years, how old is Karim?

A. 5
B. 8
C. 9
D. 10

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Answer: Option D

Explanation:

Let, Rahim as R, Karim as K, Ashraf as A

R = 2 + K

K = 2A or A = K/2

now, R+K+A = 27

2 + K+K+K/2 = 27

2K+K/2 = 25

5K = 50

K = 10

So, Karim is 10 years old (Ans)

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2830 . Rahim ranks seventh from the top and twenty-sixth from the bottom in class . How many students are there in the class ?

A. 32
B. 33
C. 34
D. 31

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Answer: Option A

Explanation:

7 + 26 - 1 = 32

[ Rahim is counted twice , once in 7th again in 26 th]

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Bangladesh Bank - Officer(Cash) - 2016

A. 17%
B. 23%
C. 77%
D. 75%

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Answer: Option B

Explanation:

Let total apple = x

At 1st day: Remaining apple = 40% of x = .4x and throwing apple = .4x *15% = .06x

At 2nd day: Remaining apple = .4x - .06x = .34x and throwing apple = .34x *50% = .17x

So total throwing apple = .06x + .17x = .23 x, that menas 23% of total

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2832 . Rahima wanted to arrange 3 of her 4 plants in a row on a shelf. If each of the plants is in a different colored container, how many different arrangements can she make?

A. 24
B. 28
C. 36
D. 7

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Answer: Option A

Explanation:

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2833 . Raj, Ishaq and Jerry divided some money among themselves as follows : Raj received 25% of it, Ishaq received 1/5 of it and Jerry received the remaining Tk. 660. How much money did Ishaq receive.

A. Tk. 300
B. Tk. 280
C. Tk. 240
D. Tk. 500
E. None of these

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Answer: Option C

Explanation:

0.25M + (1/5)M + 660 = M

Now, let's solve for M:

Combine like terms on the left side:

(0.25M + 0.2M) + 660 = M

(0.45M) + 660 = M

Now, isolate M on one side of the equation:

0.45M = M - 660

Subtract M from both sides:

0.45M - M = -660

-0.55M = -660

Now, divide both sides by -0.55 to find the value of M:

M = -660 / -0.55 M = 1200

So, the total amount of money they divided (M) is Tk. 1200.

Now, we need to find how much money Ishaq received, which is (1/5) of M:

Ishaq's share = (1/5) * 1200 Ishaq's share = 240

Ishaq received Tk. 240.

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2834 . Rajib received 15% discount to purchase his book. The total discount he received was Tk.75. What was the cost of books net of discount?

A. Tk.575
B. Tk.425
C. Tk.450
D. Tk.625

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Answer: Option B

Explanation:

১৫ টাকা কমিশন পায় ১০০ টাকায়

১ টাকা কমিশন পায় ১০০/১৫ টাকায়

৭৫ টাকা কমিশন পায় ১০০*৭৫/১৫ টাকায়

= ৫০০ টাকা

কমিশনের পর দাম হয় = ৫০০-৭৫=৪২৫ টাকা

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2835 . Rakib, Raja and Rajib paid a total of 369 taka for their dinner at a restaurant , If Rakib paid 2/3 of the total amount, Raja paid 82 taka and Rajib paid the rest,what fraction of the total amount did Rajib pay?

A. 1/9
B. 1/3
C. 39/82
D. 82/369
E. None of them

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Answer: Option A

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2821 . Rahim and Karim donated Tk. 100. each in charity . Karim gives each tk. 1 more than Rahim and Rahim distributes money to 5 more people than Karim . How many people are there in this charity ?

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2822 . Rahim and Karim each fire 20 shots at a mark and agree to register 4 points for every hit and to deduct 3 points for every miss. One hits the mark 12 times, the other 8 times. What are their separate scores?

2823 . Rahim borrowed Tk. 800 at 6% per annum and karim borrowed tk. 600 at 10% per annum. After how much time, will they both have equal debts?

2824 . Rahim bought 4 dozen apples at Tk.12 per dozen and 2 dozen apples at Tk.16 per dozen. He sold all of them to earn 20%. At what price per dozen did he sell the apples?

2825 . Rahim has three times as much money as Karim has . If Rahim Tk. 50 then Karim will have three times as much money as Rahim will have . How much money do they have together?

2826 . Rahim invested in all Tk. 2600 in three different schemes at 8% ,4% and 6% per annum simple interest . At the end of the year, he received the same interest in all the three schemes. What is the money invested in scheme having 4% rate of interest?

2827 . Rahim is now 10 years younger than Karim. If in 5 years Karim becomes twice as old as Rahim, how old will Rahim be in 3 years?

2828 . Rahim is now 14 years older than Karim . If in 10 years Rahim will be twice as old as Karim, how old will Rahim be in 5 years?

2829 . Rahim is two years older than Karim who is twice as old as Ashraf. If the ages of the three total 27 years, how old is Karim?

2830 . Rahim ranks seventh from the top and twenty-sixth from the bottom in class . How many students are there in the class ?

2831 . Rahim sells 60% of apples he had and throws away 15% of the remainder. Next day he sells 50% of the remainder and throws away the rest. what percent (in total) of his apples does Rahim throw?

2832 . Rahima wanted to arrange 3 of her 4 plants in a row on a shelf. If each of the plants is in a different colored container, how many different arrangements can she make?

2833 . Raj, Ishaq and Jerry divided some money among themselves as follows : Raj received 25% of it, Ishaq received 1/5 of it and Jerry received the remaining Tk. 660. How much money did Ishaq receive.

2834 . Rajib received 15% discount to purchase his book. The total discount he received was Tk.75. What was the cost of books net of discount?

2835 . Rakib, Raja and Rajib paid a total of 369 taka for their dinner at a restaurant , If Rakib paid 2/3 of the total amount, Raja paid 82 taka and Rajib paid the rest,what fraction of the total amount did Rajib pay?

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