3166 . The length of a rectangular plot is 3 folds its width. Half the area of the plot is covered by a playground whose area is 363 square meter . What is the length of the plot?

A. 18.50 m
B. 13. 61 m
C. 17.21 m
D. 15. 51 m

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Answer: Option D

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Basic bank recruitment 2018; auditor 26.01.2018 || Image 2018

A. 4 feet
B. 6 feet
C. 8 feet
D. 12 feet

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Answer: Option C

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উত্তরা ব্যাংক | অ্যাসিস্ট্যান্ট অফিসার | 23-07-2022

A. Tk. 15,000
B. Tk. 15,550
C. Tk. 15,600
D. Tk. 16,500

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Answer: Option D

Explanation:

Length = 5.5m and width = 3.75 m

Area = 5.5×3.75 sq.m = 20.625 sq.m

Cost of paying = 800×20.625 = 16500 Tk.

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3169 . The length of each of square A is increased by 100 percent to make square B.Again the length of the each side of square B is increased by 50 peacent to make square C.By of the area df square A and B?

A. 75%
B. 80%
C. 85%
D. 90%

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Answer: Option B

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3170 . The length of one side of a square inscribed in a circle is 2. What is the area of the circle?

A. $\frac{π}{2}$
B. $π$
C. $\sqrt{2 π}$
D. $2 π$

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Answer: Option D

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

A. 660 m2
B. 2210m2
C. 1080 m2
D. 2160 m2

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Answer: Option C

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3172 . The length of rectangle ABCD is 6/5th of its breadth. Its perimeter is 132. What is its area?

A. $660 M^{2}$
B. $2210 M^{2}$
C. $1080 M^{2}$
D. $2160 M^{2}$

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Answer: Option C

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Bangladesh Bank - Assistant Director - 2010

A. 70°
B. 55°
C. 40°
D. 110°

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Answer: Option C

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3174 . The length of the rectangular hall is 5 m more than its breadth. The area of the hall is 750 m². The length of the hall is:

A. 15 m
B. 22.5 m
C. 25 m
D. 30 m

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Answer: Option D

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

3175 . The length of the side of an equilateral triangle is 6 cm What is its area in sq.cm?

A. $3 \sqrt{3}$
B. $9 \sqrt{3}$
C. $6 \sqrt{3}$
D. $4 \sqrt{3}$

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Answer: Option B

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NRBC BANK PO/TAO (16-06-2023) || 2023

A. 15 cm
B. 17 cm
C. 19 cm
D. 13 cm

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Answer: Option D

Explanation:

In a right-angled triangle, you can use the Pythagorean theorem to find the length of the third side if you know the lengths of the other two sides. The Pythagorean theorem states:

c² = a² + b²

Where:

c is the length of the hypotenuse (the third side).
a and b are the lengths of the other two sides.
In this case, a = 5 cm and b = 12 cm. We want to find c:

c² = 5² + 12² c² = 25 + 144 c² = 169

Now, take the square root of both sides to find c:

c = √169 c = 13 cm

So, the length of the third side (the hypotenuse) is 13 cm.

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সমন্বিত ৫ ব্যাংক || অফিসার (ক্যাশ) (11-03-2022)

A. 6d+1
B. 60d
C. 90
D. 180
E. None of these

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Answer: Option D

Explanation:

Ratio of speed = 3:4 Ratio of time = 4:3 let

A takes 4x hrs,B takes 3x hrs

then 4x - 3x = 30/60 hr

x = ½ hr

Time taken by A to reach the destination is 4x = 4 * ½ = 2 hr

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3178 . The lengths of two sides of a triangle are 7 and 11. If the length of the third side is an integer, what is the least possible perimeter of the triangle?

A. 23
B. 18
C. 20
D. 22

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Answer: Option A

Explanation:

এখানে, ত্রিভুজটির তৃতীয় বাহু হবে দুটি বাহুর যোগফল অর্থাৎ 7 + 11 = 18 থেকে ছোট এমন যেকোনো সংখ্যা। আবার সংখ্যাটি এমন হবে যেন ত্রিভুজের যেকোনো বাহুর যোগফল তৃতীয় বাহু অপেক্ষা বৃহত্তর হয়।
যেমন, তৃতীয় বাহু 4 হতে পারে না।
কারণ 7 + 4 = 11 হয়, যা অন্য বাহুর সমান।
সুতরাং তৃতীয় বাহু সর্বনিম্ন 5 হতে পারে, কারণ 7 + 5>11
⸫ ত্রিভুজটির সর্বনিম্ন পরিসীমা = 7 + 5 + 11 = 23.

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সমন্বিত ১০ ব্যাংক ও আর্থিক প্রতিষ্ঠান || অফিসার (জেনারেল) (08-03-2024)

A. 5
B. 6
C. 15
D. 30

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Answer: Option D

Explanation:

Hints : 1470 কে গ, সা, গু করলে হয়

1470 = 2× 5× 3× 7× 7

So, the least number is = 2× 5× 3 = 30

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পল্লী কর্ম সহায়ক ফাউন্ডেশনের অ্যাসিসট্যান্ট ম্যানেজার-০৭.০৩.২০১৪

A. There were fewer executive than travel consultants at nationwide Travel Last year.
B. No travel consultants earned more than an executive last year.
C. There was at least one employee who earned less than the average for a travel consultant.
D. Some travel consultants earn more than the lowest paid executives.

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Answer: Option C

Explanation:

(a) ও b হবে না কারণ executive ও consultant - দের সংখ্যা কত বলা হয়নি। তাই consultant - এর চেয়ে executive কম না বেশি বা executive - দের চেয়ে কোন consultant বেশি income করেছে কিনা বলা যায় না।

(d) ব্যাখ্যাঃ হতেও পারে নাও পারে। Consultant - দের সংখ্যা জানা না থাকায় consultant যে lowest paid executive - এর চেয়ে বেশি বেতন পায় না তা জানা যায় না। কারণ সব consultant - এর বেতনই হয়তো 470,000 আবার সব executive - এর বেতনই হয়তো 550,000। ফলে assumption - টি নিশ্চিত করা যায় না। (c) - ই সঠিক হবে। কারণ Executive ও consultant সবার বার্ষিক আয়ের Average = 550,000 + 470,000/2 = 510,000। অথচ পুরো কোম্পানির employee - দের বার্ষিক আয়ের Average বলা হয়েছে 380,000। এখান থেকে বোঝা যায় কমপক্ষে 1 জন employee আছে যার বেতন consultant দের average salary থেকে কম। যার ফলে সবার Average বেতন কমে গেছে।

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3166 . The length of a rectangular plot is 3 folds its width. Half the area of the plot is covered by a playground whose area is 363 square meter . What is the length of the plot?

3167 . The length of a rectangular room is double of its breadth.If the area is 512 square inches , what is the perimeter ?

3168 . The length of a room is 5.5 m and width is 3.75 m. Find the cost of paying the floor by slabs at the rate of Tk. 800 per sq. metre.

3169 . The length of each of square A is increased by 100 percent to make square B.Again the length of the each side of square B is increased by 50 peacent to make square C.By of the area df square A and B?

3171 . The length of rectangle ABCD is 6/5th of its breadth, its perimeters 132 . Find its area.

3173 . The length of sides AB and AC in the triangle below are equal. What is the measure of angle A?

3174 . The length of the rectangular hall is 5 m more than its breadth. The area of the hall is 750 m². The length of the hall is:

3176 . The length of two smaller sides of a right angled triangle are 5 cm and 12 cm respectively. The length of the thirs side is-

3177 . The lengths of the sides of a triangle are d+1, 2d, and 3d. The sum of the degree measures of the three interior angles of the triangle is____

3178 . The lengths of two sides of a triangle are 7 and 11. If the length of the third side is an integer, what is the least possible perimeter of the triangle?

3179 . The lest number by which 1470 must be divided to get a number which is a perfect square is:

3180 . The letters are just written reversibly.

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