2926 . The difference of two numbers is 20% of the larger number. If the smaller number is 12 the larger one is :

A. 16
B. 15
C. 18
D. 20

View Answer	Favorite Question

Answer: Option B

Explanation:

Hints: Let the larger number be x

smaller number be y

Now, as given , x - y = 20% of x

and y = 20

x - 12 = 0.2x

o.8x = 12

x = 15

2927 . The dimensions of a box are 2,3 and 4 meters . the cost of painting the outer sides of the box at the rate of tk. 3 per square meter is ___

A. tk. 156
B. tk. 120
C. tk. 136
D. tk. 160

View Answer	Favorite Question

Answer: Option A

Explanation:

Area = 2(ab + bc + ca) = 2((2*3) + (3*4) + (4*2)) = 2(6 + 12 + 8) = 52 Total cost = 52*3 = 156 tk.

Bangladesh bank - officer ( general) - 27.04.2018

A. 6:10 pm
B. 7:05 pm
C. 8:15 pm
D. 6: 35 pm
E. None of these

View Answer	Favorite Question

Answer: Option E

Explanation:

2929 . The distance from the point P to two vertices A and B of an equilateral triangle are |PA| = 2 and | PB | = 3. What is the greatest possible value of | PC].

A. 5
B. 9
C. 6
D. 12

View Answer	Favorite Question

Answer: Option A

Explanation:

2930 . The effective speed of a boat travelling downstream is 20 kmph, whereas it is 10 kmph upstream. What is the speed of the stream current in kmph?

A. 3
B. 4
C. 5
D. none of these

View Answer	Favorite Question

Answer: Option C

Explanation:

2931 . The Ex-nor of this string '01010101' with '11111111' is

A. 10101010
B. 00110100
C. 01010101
D. 10101001

View Answer	Favorite Question

Answer: Option C

Explanation:

Option a, c, d কোনোটিই বাক্যের অর্ত পরিপূর্ণ করতে পারে না। শূন্যস্থানে বসালে বাক্যের অর্থ হয় - আহত লোকটি কী বলল যখন যে আমাদের কাছে পৌঁচাল? সুতরাং সঠিক উত্তর (b).

Assit. Programmer | Sonali Bank- Rubali Bank- BD Krishi Bank - 16.11.2018

A. 8000
B. 1000
C. 8
D. 8926

View Answer	Favorite Question

Answer: Option C

Explanation:

458926 এখানে 8 এর face value 8 (Ans)

8 এর place value 8000

2933 . the factor of x^2-5x-6 are

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

View Answer	Favorite Question

Answer: Option A

Explanation:

x²-5x-6

=x²-6x+x-6

=x(x-6)+1(x-6)

=(x-6)(x+1)

(ans).

Sonali Bank Ltd. Senior Officer Recruitment 01.06.2018

A. 190
B. 182
C. 176
D. 154

View Answer	Favorite Question

Answer: Option A

Explanation:

2935 . The floor of a company's office has an area of 20000 square feet. If the floor is in the shape of a square approxmately how many feet long is each side?

A. 140
B. 450
C. 500
D. 1000

View Answer	Favorite Question

Answer: Option A

Explanation:

If the floor of a company's office has an area of 20,000 square feet and is in the shape of a square, then each side of the square can be found by taking the square root of the area. Therefore, the approximate length of each side is:

sqrt(20,000) = 141.42 feet

Rounding to the nearest whole number, each side of the square is approximately 141 feet. Therefore, the answer is "140."

2936 . The following figure consists of twenty-seven cubes. How many cubes will get closed on all sides by other cubes?

A. 1
B. 2
C. 3
D. 6

View Answer	Favorite Question

Answer: Option A

Explanation:

27 টি Cube এর মধ্যে শুধু মাঝের ১টি Cube চারদিকে আবদ্ধ।

Bangladesh Bank - Assistant Director - 2015

A. AB/C
B. BC/A
C. A/C + B
D. A + B/C

View Answer	Favorite Question

Answer: Option A

Explanation:

2938 . The greatest number which can divide 1356, 1868 and 2764, leaving the same remainder 12 in each case, is:

A. 64
B. 124
C. 156
D. 260

View Answer	Favorite Question

Answer: Option A

Explanation:

Here, the required number will be the HCF of (1356-12), (1868-12) and (2764 - 12)

HCF of (1356-12), (1868-12) and (2764 - 12) = HCF of 1344, 1856 and 2752 = 64

∴ The greatest number which can divide 1356, 1868 and 2764 leaving the same remainder 12 in each case is 64.

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

A. 99
B. 89
C. 79
D. 69

View Answer	Favorite Question

Answer: Option A

Explanation:

Hints Let another number = x

We know, product of two number = HCF × LCM

77 × x = 693 × 11

x = 693 × 11 / 77

x = 99

2940 . The height of a cylinder is four times the radius of the cylinder. If the volume of the cylinder is 256 cm², what is the radius of the cylinder.

A. 4 cm
B. 8 cm
C. 16 cm
D. 24 cm

View Answer	Favorite Question

Answer: Option A

Explanation:

To find the radius of the cylinder, we can use the formula for the volume of a cylinder, which is given by:

Volume = π * r^2 * h

where:

Volume is the volume of the cylinder,
π is the mathematical constant pi (approximately 3.14159),
r is the radius of the cylinder, and
h is the height of the cylinder.

We are given that the height of the cylinder is four times the radius, which can be expressed as h = 4r.

We are also given that the volume of the cylinder is 256 cm³. Plugging these values into the volume formula:

256 = π * r^2 * (4r)

Now, we can solve for r:

256 = 4πr^3

Divide both sides by 4π:

r^3 = 64

Now, take the cube root of both sides to find r:

r = ∛64

r = 4

So, the radius of the cylinder is 4 cm.

সমন্বিত ৭ ব্যাংক || সিনিয়র অফিসার-05-11-2021 ||

2926 . The difference of two numbers is 20% of the larger number. If the smaller number is 12 the larger one is :

2927 . The dimensions of a box are 2,3 and 4 meters . the cost of painting the outer sides of the box at the rate of tk. 3 per square meter is ___

2929 . The distance from the point P to two vertices A and B of an equilateral triangle are |PA| = 2 and | PB | = 3. What is the greatest possible value of | PC].

2930 . The effective speed of a boat travelling downstream is 20 kmph, whereas it is 10 kmph upstream. What is the speed of the stream current in kmph?

2931 . The Ex-nor of this string '01010101' with '11111111' is

2932 . The face value of 8 in the number 458926 is -

2933 . the factor of x^2-5x-6 are

2934 . The first 5 numbers in a regular esquence are 4, 10, 22, 46 and 94. What is the next number in the sequence?

2935 . The floor of a company's office has an area of 20000 square feet. If the floor is in the shape of a square approxmately how many feet long is each side?

2936 . The following figure consists of twenty-seven cubes. How many cubes will get closed on all sides by other cubes?

2937 . The greatest common factor of two positive integers is A. The least common multiple of the two numbers is B. If one of the number is C, then what is the other one?

2938 . The greatest number which can divide 1356, 1868 and 2764, leaving the same remainder 12 in each case, is:

2939 . The H.C.F of two number is 11 and their L.C.M is 693. If one of the numbers is 77 find the other.

2940 . The height of a cylinder is four times the radius of the cylinder. If the volume of the cylinder is 256 cm², what is the radius of the cylinder.

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