সমতলে বস্তুকণার গতি (Motion of particles in a plane) MCQs
Showing 50 questions (Total: 1241)
If N and P are both odd numbers, which of the following number must be an even number?
Correct Answer:
A: N+P
Which of the following expresses the perimeter of a square region in terms of its area K?
Correct Answer:
D: k4
The sum of the 3 consecutive numbers i 123. the product of two smaller numbers is What?
Correct Answer:
C: 1640
If Tk. 45,000 was invested in share when the price per share was TK. 90 and TK. 30,000 was invested when the price per share was TK. 60, what was the average price per share purchased ?
Correct Answer:
D: TK. 75
The price of sugar increases by 32%. A family reduces its consumption so that expenditure of the sugar is up by 10% only. If the total consumption of sugar before the price rise was 10 kg per month, then the consumption of sugar per month is approximately-
Correct Answer:
A: 8.33 kg
which of the following must be false?
Correct Answer:
A: A is at the first place
The first parliamentary election in Bangladesh was held in
Correct Answer:
C: 1973
If A is not at the third place, then C has which of the following option ?
Correct Answer:
C: The first and third place only
If a and B are together , then which of the following must be necessarily true?
Correct Answer:
B: A is at the third place
There is a number which is very peculiar . This number is three times the sum of its digits. Can you find the number ?
Correct Answer:
B: 27
Cars are safer than planes. Fifty percent of plane accidents result in death ,while only one percent of car accidents result in death . which of the following , if true, would most seriously weaken the argument above?
Correct Answer:
B: The number of car accidents is several hundred thousand times higher than the number of plane accidents.
একটি ট্রেন t সেকেন্ডে 3t+18t2 মিটার অতিক্রম করিলে 5 মিনিট পরে তার বেগ-
Correct Answer:
গ: 78 মি./সে.
সমাধান কর y-3y-5=2
Correct Answer:
ঘ: 7
∫13dx1+x2=?
Correct Answer:
D: π12
যদি y=enx হয়, তবে dnydxn=?
Correct Answer:
ক: nnenx
∫01211-3x2 dx=p হলে, p= কত?
Correct Answer:
C: π33
M=0112 এবং N=23 হলে NM=কত?
Correct Answer:
C: অসম্ভব
sec270+θ =?
Correct Answer:
D: cosecθ
একটি পাতলা গ্লাস পাতের উপর সর্বোচ্চ 9.5 kg ওজন স্থাপন করা যায়। এর উপর একটি নির্দিষ্ট ওজনের বস্তু স্থাপন করে ক্রমবর্ধমান ত্বরনে একে উপরে উটানো হচ্ছে। ত্বরণের মান 0.2 m/s⁻² হওয়া মাত্র পাতটি ভেঙ্গে গেলে বস্তুটির ভর হবে-
Correct Answer:
গ: 9.31 kg
∫14In xxdx এর মান কত?
Correct Answer:
ঘ: 8In2-4
একটি গাড়ি t সেকেন্ড সময়ে 3tt28 মিটার দূরত্ব অতিক্রম করে । 4 সেকেন্ড পর গাড়িটির বেগ কত হবে ?
Correct Answer:
ঘ: 4 m/s
∫0In2ex1+exdx=?
Correct Answer:
A: In 32
∫0112x-x2dx=?
Correct Answer:
C: π2
∫0 1exxdx
Correct Answer:
A: 2(e-1)
যদি x=yyy হয় তবে , dydx=?
Correct Answer:
Correct Answer:
মান নির্ণয় করঃ ∫01dx2x-x2
Correct Answer:
ক: π/2
→A=i^+2j^-3k^, →B =3i^-j^+2k^ হলে, 2→A +→B এবং →A +2→B এর অন্তঃস্থ কোণ কত?
Correct Answer:
ক: cos-13150
current age ratio of father and son is 7:2 After 5 years, their age ratio will be 8:3 what is the corrent age of father?
Correct Answer:
D: 35
what is the circumference radius of a triangle whose sides are 7,24 and 25 respectively?
Correct Answer:
B: 12.5
The measure of the side of a square is tripled. If x represents the perimeter of the original square , what is the value of the new perimeter?
Correct Answer:
A: 3x
If Mr. Rahim receives BDT 1500 as a profit from an investment which was made 5 years ago. If the rate was 6% per annum. then what was the amount of investment?
Correct Answer:
C: 5,000
One copy machine can make 20 copies a minute , and a second copy machine makes 15 copies a minute. If the two copiers work together, how long would it take them to make 2100 copies?
Correct Answer:
A: 60 minutes
The Value Added Tax of retail sales is 5% If a customer pays BDT 150 VAT. then what is the value of his / her total shopping bill ?
Correct Answer:
C: 3,000
A box in the university bookstore contains books and each book in the box is a History book. an English book or a and one -sixth are English books, what fraction of the books are Science books?
Correct Answer:
C: 1/2
A store owner brought a lot of hats, 1/4th of which was brown. He sold 2/3 of the hats including 4/5 of the brown hats. What fraction of the unsold hats was brown?
Correct Answer:
C: 3/20
Let a , b and c be positive prime integers such that a +b =c .what is the sum of the three smallest possible values of c?
Correct Answer:
B: 25
The owner of an apple orchard ships apples in boxes that weight 2 kg when empty. The average apple weight 0.25 kg. and the total weight of a box filled with apples is 12 kg How many apples are packed in each box?
Correct Answer:
B: 40
The square of a whole number is between 1500 and 1600. The number must be between-
Correct Answer:
B: 35 and 40
Jony has 30 pages to read for history class tonight. He decided that he would take a break when he finished reading 70% of the pages assigned. How many pages assigned. How many pages must he read before he takes a break?
Correct Answer:
D: 21
The living room in Dina's home is 182 square feet. How many square yards of carpet should she purchase to carpet the room?
Correct Answer:
A: 21 square yards
What is the third largest economy of the world in 2014?
Correct Answer:
A: Japn
The name of the third sea port of Bangladesh is -
Correct Answer:
B: Payra
What is the total no of EU countries?
Correct Answer:
D: 28
which one of the following is not a part of the World Bank?
Correct Answer:
C: IMF
A person spends 20 percent of his monthly salary for his son's education. In the coming month, he is expected to get an increment of TA. 170 and he plans to spend half of that increment also for his son's education would be TA. 645 . what is the present salary of that person?
Correct Answer:
B: Tk. 2456
9 men went to a restaurant together. 8 of them spent Tk. 3 each over their meals and the 9th man spent Tk. 2 more than the average expenditure of all the 9 men. Find out the total money spent by the 9 men?
Correct Answer:
C: Tk. 28.25
The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded then the average of the remaining 38 innings becomes 48 nuns. what is his highest score?
Correct Answer:
B: 182
An investor has a total capital of TA. 13,00,000 He invested a part of it in 3 percent annual interest and the reminder at 4 percent annual interest rate. If his annual interest amount was Tk. 44.00 how much did he invest in each?
Correct Answer:
C: Tk. 9,00,000 in 3% and 4,00,000 in 4%
The ratio of working hours of three workers is 1: 2: 5 . If they worked on a combined total of 112 hours , what is the longest hour did one worker work?
Correct Answer:
B: 70
A triangle has an angle of 82 degree The ratio of the other two angles is 2: 5 what is the smallest angle of the triangle?
Correct Answer:
C: 98 degree