1966 . If a plane can travel P miles in Q hours, how long will it take to travel R miles?

A. PQ/R hours
B. P/QR hours
C. PR/Q hours
D. QR/P hours

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Answer: Option D

Explanation:

A plane travels P miles in Q hours

it travels R miles in QR/P hours

ans: QR/P hours

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1967 . If a poem by Orhaan appears on page 10, which one of the following is a pair of poems either of which could appear on page 35?

A. S and T
B. F and L
C. L and T
D. R and S

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Answer: Option C

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1968 . If a pole 6 m high casts a shadow $2 \sqrt{3} m$ long on the ground, then the elevation of the sun is-

A. $60 °$
B. $45 °$
C. $30 °$
D. $90 °$

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Answer: Option A

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Assistant Director (General) 06.07.18

A. R>S
B. R=S
C. R
D. None

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Answer: Option C

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

A. T
B. U
C. V
D. Y

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Answer: Option C

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1971 . If a rectangle's length and width are both doubled, by what percent is the rectangle's area increased?

A. 50%
B. 100%
C. 200%
D. 300%

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Answer: Option D

Explanation:

Let the initial length and width be L and W respectively.

Initial area = L×W

New length = 2L

New width = 2W

New area = 2L×2W = 4 L×W

Increase in area = (4 L×W - L×W) / (L×W) × 100% = 300%

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Jamuna Bank Ltd - Probationary Officer - 2009

A. 2 cm
B. 4 cm
C. 6 cm
D. 8 cm

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Answer: Option B

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সমন্বিত ৫ ব্যাংক ও ১ আর্থিক প্রতিষ্ঠান — অফিসার (ক্যাশ) (11-07-2025) | 2025

A. 5
B. 6
C. 6.5
D. 6 and 6.5

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Answer: Option C

Explanation:

ধারা : 1 1.5 2.5 4

অন্তর : . 5 1 1.5 2 পরিবর্তী সংখ্যটি ( 4 + 2) = 6

আবার ধারাটিতে, 1 + 1.5 = 2.5

1.5 + 2.5 = 4

পরিবর্তী সংখ্যাটি = 2.5 + 4 = 6.5

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1974 . If a train at 40 kmph, it reaches its destination late by 11 minutes but it runs at 50 kmph, it late by 5 minutes only. The correcnt time for the train to complete its journey is:

A. 13 minutes
B. 15 minutes
C. 19 minutes
D. 21 minutes

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Answer: Option C

Explanation:

Hints: উভয় ক্ষেত্রেই train টি একই দূরত্ব অতিক্রম করে। তখন বেগ kmph এ দেওয়া কিন্তু সময় দেওয়া মিনিটে। এই kmph এর মানকে 60 দ্বারা ভাগ করে মিনিটে নিতে হবে।

ধরি, original time t.

প্রথম ক্ষেত্রে দূরুত্ব = বেগ × সময় = 40 /60 (t + 11)

দ্বিতীয় ক্ষেত্রে, দুরুত্ব = 50/60 (a + 5)

এখন, 40/60(t + 11) = 50/60 (t + 5)

t = 19 minutes

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1975 . If a triangle has base B and the altitude of the triangle is twice the base, then the area of the triangle is:

A. 1/2AB
B. AB
C. 1/2B2
D. B2

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Answer: Option D

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1976 . If a woman is paid Tk.m per hour every hour she works up to 8 hours and is paid double for every hour she workes after 8 hours, how much Tk will she be paid for working 13 hours?

A. 6m
B. 8m
C. 13m
D. 18m

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Answer: Option D

Explanation:

13 hours = 8 hours + 5 hours

Payment for first 8 hours = 8 x m = 8m

Payment for next 5 hours = 5 x 2m = 10m

Total payment = 8m + 10m = 18m.

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1977 . If a worker can packs 1/6 of a carton of canned food in 15 minutes and there are 40 workers in a factory, how many cartons should be packed in the factory in 5/3 hours?

A. 33
B. 362/9
C. 391/9
D. 400/9

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Answer: Option D

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1978 . If $A^{3}$ is odd, which of the following is true?

A. A is odd only
B. $A^{2}$ is odd only
C. $A^{2}$ is even
D. Both A & are true

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Answer: Option D

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Bangladesh Bank - Assistant Director - 2010

1979 . If $a^{3} = 117 + b^{3}$ and $a = 3 + b,$ then the value of $a + b = ?$

A. $7$
B. $13$
C. $30$
D. $49$

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Answer: Option A

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সমন্বিত পাঁচ ব্যাংক || অফিসার ক্যাশ - 06.11.2021

A. 8:6:9:10
B. 8:6:10:9
C. 6:8:10:9
D. 6:8:9:10

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Answer: Option C

Explanation:

A: B = 3 : 4 = ( 3 × 4) : ( 4 × 4) = 12 : 16

C : B = 5 : 4 = ( 5 × 4) : ( 4 × 4) = 20 : 16

C : D = 10 : 9 = ( 10 × 2) : ( 9 × 2) = 20 : 18

A : B : C : D = 12 : 16 : 20 : 18 = 6 : 8 :10 : 9

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1966 . If a plane can travel P miles in Q hours, how long will it take to travel R miles?

1967 . If a poem by Orhaan appears on page 10, which one of the following is a pair of poems either of which could appear on page 35?

1969 . If a principal p becomes Q in 2 years when interest R% is compounded half yearly. And if the same principal P becomes Q in 2 years when interest 8% is compound annually, then which of the following is true?

1970 . If a projected roads from T to Y is built , then the shortest distance by road from W to X will be the same as the shortest distance by road from Z to __

1971 . If a rectangle's length and width are both doubled, by what percent is the rectangle's area increased?

1972 . If a right-angled isosceles triangle has base 4 cm, then height is:

1973 . If a series looks like - 1,1.5,2.5,4,........, then which of the following comes next in the sequence ?

1974 . If a train at 40 kmph, it reaches its destination late by 11 minutes but it runs at 50 kmph, it late by 5 minutes only. The correcnt time for the train to complete its journey is:

1975 . If a triangle has base B and the altitude of the triangle is twice the base, then the area of the triangle is:

1976 . If a woman is paid Tk.m per hour every hour she works up to 8 hours and is paid double for every hour she workes after 8 hours, how much Tk will she be paid for working 13 hours?

1977 . If a worker can packs 1/6 of a carton of canned food in 15 minutes and there are 40 workers in a factory, how many cartons should be packed in the factory in 5/3 hours?

1980 . If A:B = 3:4, C:B= 5:4, C:D=10:9 then A:B:C:D is -

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