646 . 48.95-32 .006 =?

A. 16.089
B. 16.35
C. 16.944
D. 16.89

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Answer: Option C

Explanation:

48.950 - 32.006 = 16.944

পূবালী ব্যাংক লিমিটেড || প্রবেশনারি অফিসার (30-09-2023) || 2023

A. 16.089
B. 16.35
C. 16.89
D. 16.944

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Answer: Option D

Explanation:

Calculation:

= 48.95-32.006

= 16.944

648 . 4x4 +25x2 +36=?

A. (x + 2)(x - 2)(2x + 3)(2x - 3)
B. (2x + 1)(2x - 1)(2 + 6)(x - 6)
C. (x + 3)(x - 3)(2x + 2)(2x - 2)
D. (x + 2)(2x - 3)(2x + 3)(3x + 2)

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Answer: Option A

Explanation:

649 . 5% of which number is 25?

A. 5
B. 250
C. 500
D. None of these

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Answer: Option C

Explanation:

Let the number be z.

5% of z is 25

i.e, (5/100)z = 25

» z = (25 × 100)/5

» z = 500

So, The number is 500.

650 . 5.125/2.223 =?

A. 2.053
B. 2.305
C. 2.501
D. 2.522

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Answer: Option B

Explanation:

5.125/2.223=2.30544309492

651 . 5 years ago the ratio of father's age to son's age was 5 : 1 and 2 years later father's age will be 3 times his son's age. What is the ratio of their present age?

A. 5 : 2
B. 7 : 3
C. 10 : 3
D. 11 : 7

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Answer: Option C

Explanation:

let, the present ages of the son and the father are a and b, respectively.

The age of the father 5 years ago was five times the age of his son.

a - 5 = 5(b - 5)

or, a – 5 = 5b - 25

∴ 5b - a = 20 - - - - - - - - - (1)

2 years hence, the father’s age will be thrice that of his son.

a + 2 = 3(b + 2)

or, a + 2 = 3b + 6

∴ a – 3b = 4 - - - - - - - - - - - - (2)

On adding (1) and (2), we get:

2b = 24

∴b = 12

Substituting b = 12 in equation (2), we ge, a = 40

Ratio of their present ages = a:b = 40:12 = 10:3

ans: 10:3

652 . 50% of a% of b is 75% of b% of C. Which of the following is C ?

A. 1.5b
B. 0.667a
C. 0.5a
D. 1.25a

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Answer: Option B

Explanation:

50% of a% of b% = 75% of b% of c

50/100 × a/100 × b = 75/100 × b/100× c

50 a = 75 c

c = 50/75 a

c = 0.667 a

653 . 50% of the people in an area read Ittefaq and 60% of the people in that area read Prothom Alo. 20% people read both the newspapers. What percent of people do not read any of the newspapers?

A. 20
B. 10
C. 15
D. 25

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Answer: Option B

Explanation:

Total = Ittefaq + Prothom Alo - Both + None

= > 100% = 50% + 60% - 20% + None.

So, None = 10%

654 . 50 girls and 100 boys were invited to a party. If 30% of the girls and 75% of the boys attend the party, what percentage of guests attended?

A. 55
B. 60
C. 65
D. 75

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Answer: Option B

Explanation:

655 . 50 men took a dip in a water tank 40m long and 20m broad on a religious day. If the average displacement of water by a man is 4 m3 , then the rise in the water level in the tank will be --

A. 25 cm
B. 30 cm
C. 35 cm
D. 50 cm
E. None of these

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Answer: Option A

Explanation:

Total volume of water displacement = 4×50 = 200m³

Rise of water level = 200/(40×20) m = . 25m = 25 cm

656 . 54 is to be divided into two parts such that the sum of 10 times the first and 22 times the second is 780. The bigger part is :

A. 24
B. 34
C. 30
D. 32

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Answer: Option B

Explanation:

x + y = 54

Or, x = (54 - y)

2n condition :

10x + 22y = 780

5x + 11y = 390

5 ( 54 - y) + 11y = 390

270 - 5y + 11y = 390

6y = 120

y = 20

x = ( 54 - 20) = 34

657 . 5×4−6÷3+1=?

A. 5
B. 4
C. -1
D. None of these

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Answer: Option D

Explanation:

658 . 6,7,9,13,, _. what are the two missing numbers in the series?

A. 21,37
B. 17,21
C. 21,39
D. 17,19

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Answer: Option A

Explanation:

7=6+(1×1)

9=7+(1×2)

13=9+(1×4)

So, next=13+(1×8)=21

Next=21+(1×16)=37

(ans)

Sonali &amp- Janata Bank Ltd. Senior Officer (IT/ICT) 08.06.2018

A. 40%
B. 90%
C. 60%
D. 85%
E. None of these

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Answer: Option E

Explanation:

60% of the students are male.

60% of the males speak French.

40% of the students speak French.

We want to find the percentage of females in the college who do not speak French.

First, let's find the percentage of females in the college. Since 60% of the students are male, the remaining percentage of students must be female:

Percentage of females = 100% - 60% = 40%

Now, let's calculate how many of these females speak French. We know that 40% of the students speak French, and we just found that 40% of the students are female. So, the percentage of females who speak French is:

Percentage of females who speak French = 40% * 40% = 16%

Now, to find the percentage of females who do not speak French, subtract the percentage who do from 100%:

Percentage of females who do not speak French = 100% - 16% = 84%

So, the percentage of females in the college who do not speak French is 84%. None of the answer choices provided matches this percentage, so the correct answer is “None of these.”

660 . 617+6.017+0.617+6..0017 = ?

A. 6.2963
B. 62.965
C. 629.6357
D. None of these

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Answer: Option C

Explanation:

Hints : 617 + 6.017 + .617 + 6.0017 = 629.6357

( The first digit is 617, the sum would definitely be over 617)

646 . 48.95-32 .006 =?

647 . 48.95-32.006 = ?

648 . 4x4 +25x2 +36=?

649 . 5% of which number is 25?

650 . 5.125/2.223 =?

651 . 5 years ago the ratio of father's age to son's age was 5 : 1 and 2 years later father's age will be 3 times his son's age. What is the ratio of their present age?

652 . 50% of a% of b is 75% of b% of C. Which of the following is C ?

653 . 50% of the people in an area read Ittefaq and 60% of the people in that area read Prothom Alo. 20% people read both the newspapers. What percent of people do not read any of the newspapers?

654 . 50 girls and 100 boys were invited to a party. If 30% of the girls and 75% of the boys attend the party, what percentage of guests attended?

655 . 50 men took a dip in a water tank 40m long and 20m broad on a religious day. If the average displacement of water by a man is 4 m3 , then the rise in the water level in the tank will be --

656 . 54 is to be divided into two parts such that the sum of 10 times the first and 22 times the second is 780. The bigger part is :

657 . 5×4−6÷3+1=?

658 . 6,7,9,13,, _. what are the two missing numbers in the series?

659 . 60% of the students of a college are male. 60% of the males in the college speak French and 40% of the students of the college speak French. What is the percentage of the females in the college who do not speak French?

660 . 617+6.017+0.617+6..0017 = ?

কোর্স ক্যাটাগরি

প্রয়োজনীয় লিঙ্ক

646 . 48.95-32 .006 =?

647 . 48.95-32.006 = ?

648 . 4x4 +25x2 +36=?

649 . 5% of which number is 25?

650 . 5.125/2.223 =?

651 . 5 years ago the ratio of father's age to son's age was 5 : 1 and 2 years later father's age will be 3 times his son's age. What is the ratio of their present age?

652 . 50% of a% of b is 75% of b% of C. Which of the following is C ?

653 . 50% of the people in an area read Ittefaq and 60% of the people in that area read Prothom Alo. 20% people read both the newspapers. What percent of people do not read any of the newspapers?

654 . 50 girls and 100 boys were invited to a party. If 30% of the girls and 75% of the boys attend the party, what percentage of guests attended?

655 . 50 men took a dip in a water tank 40m long and 20m broad on a religious day. If the average displacement of water by a man is 4 m3 , then the rise in the water level in the tank will be --

656 . 54 is to be divided into two parts such that the sum of 10 times the first and 22 times the second is 780. The bigger part is :

657 . 5×4−6÷3+1=?

658 . 6,7,9,13,__, ___. what are the two missing numbers in the series?

659 . 60% of the students of a college are male. 60% of the males in the college speak French and 40% of the students of the college speak French. What is the percentage of the females in the college who do not speak French?

660 . 617+6.017+0.617+6..0017 = ?

658 . 6,7,9,13,, _. what are the two missing numbers in the series?