সমতলে বস্তুকণার গতি (Motion of particles in a plane) MCQs
Showing 50 questions (Total: 1241)
what is the product of 6% and 14% ?
Correct Answer:
B: 0.0084
It will take john 4 days to string a certain fence. If Mary could string the same fence in 3 days, how long will it take them if they work together?
Correct Answer:
D: 1 5/7 days
Nilolai is thinking of a positive whole number. If the number is squared and then 10 is subtracted from the rsult , the dirrerence is equal to 6 . what is the number?
Correct Answer:
B: 4
How many liters of a 40% iodine solution need to be mixed with 35 liters of a 20% iodine solution to create a 35 % iodine solution ?
Correct Answer:
A: 105
in 40 minutes, Diane walks 205 miles and sue walks 1.5 miles. In miles per hour, how much faster is Diane walking?
Correct Answer:
C: 1.5
On the farm , there are a total of 20 animals , all of which are either cows or chickens .There are 52 legs total. How many chicken are on the farm Assuming each animal has all of its legs?
Correct Answer:
A: 14
A horse is tied to a post with a twenty -foot rope. what is the longest path that the hours can walk?
Correct Answer:
D: 40 pie ft
The measure of the side of a square is tripled . If x represents the represents the perimeter of the original square, what is the value of the new perimeter?
Correct Answer:
A: 3x
A bookshelf wasw originally sold for $12.5 Before a big sale , the price was increased 20% and then discounted 30% . What is the selling price now.
Correct Answer:
A: $ 105.00
How many blocks away will Fred be from his starting p;ace if he travels two blocks north , then three blocks east, and then two blocks south?
Correct Answer:
C: Three
If M men can complete a job in R hours, how long will it take 7 men to do this job?
Correct Answer:
A: MR/7
Which of the following represents 5% as a decimal?
Correct Answer:
B: 0.05
If a man walks W miles in H hours, and then rides R miles in the same length of time, what is his average rate for the entire trip?
Correct Answer:
D: R+W/2H
There are 40 socks in a drawer . 70% of the socks are red and the rest are blue. What is the minimum number of socks that must be taken from the drawer without looking in order to be certain that at least two red socks have been chosen?
Correct Answer:
B: 14
The manager of a cafeteria uses algebraic expressions to calculate the number of servings she can prepare with the amount of food she has in stock. If each can of spaghetti sauce contains 18 servings, which expression below represents the number of servin? in m cans of spaghetti sauce?
Correct Answer:
D: 18*m
Mr. Walker travels a miles in b hours and then c miles in d hours. How many hours will be needed to travel 500 miles if he maintains this average rate?
Correct Answer:
B: 500(b+d)/a+c
If q and r are both odd numbers , which of the following numbers must be an even numbers?
Correct Answer:
C: q +r
If 8 cows produce 16 cans of milk in 4 days , how many days does it take 4 cows to produce 4 cans of milk?
Correct Answer:
A: 2
Laila is 2 years younger than mary. If Mary is m years old , how old was Liala two years ago?
Correct Answer:
D: m -4
If the radius of a circle is increased by 6% then the area of the circle is increased by
Correct Answer:
C: 12.36%
The average of 3 numbers is X. If the average of first 2 numbers is Y and the average oflast 2 numbers is Z , what is the second number?
Correct Answer:
A: 2Y + 2Z -3X
The price per unit of product increased by 25% The actual taka increase in the unit price was Tk. 1.25. What was the unit price in Taka, before the price increase?
Correct Answer:
A: 5.00
If the product of 2 numbers is 20 and the sum of the two numbers is 10, then the larger of the two numbers is
Correct Answer:
B: 10
A Tk 2,600 is to be divided among three people so that Z receives twice as much as Y , who receives 1/10 of Z . How much money should Z receives?
Correct Answer:
B: Tk. 2000
what is 3% of 5 ?
Correct Answer:
B: 3/20
What is the average of all the multiples of ten from 10 to 190 inclusive ?
Correct Answer:
C: 100
On a street with 25 house , 10 house have fewer than 6 rooms , 10 houses have more than 7 rooms and 5 houses have more than 8 rooms . What is the total number of hoses on the street that are either 6,7 or 8 room houses?
Correct Answer:
B: 15
The sum in degrees of the interior angles of a polygon of 9 sides is :
Correct Answer:
B: 1260 degree
A retailer buys a radio from the wholesaler for $ 75.00. He then marks up the price by 1/3 and sells it at a discount of 20% what wa his profit on the radio ?
Correct Answer:
A: $ 5.00
A gram of tat contains 7 calories. A 1,400 calorie diet allows no more than 30% calories from fat. How many grams o ft are allowed in that diet?
Correct Answer:
C: 60 g
what is the elaboration of "PRSP" in Bangladesh .
Correct Answer:
A: Poverty Reduction Strategy Papers
which one is not a stock market index of Chittagong stock exchange?
Correct Answer:
C: CASPI
what is the approximate annual fiscal budget for ZBangladesh in 2010-11 ?
Correct Answer:
A: Tk. 1.3 trillion
United Nations has awarded Bangladesh in 2010 for :
Correct Answer:
D: reduction of child mortality rate
which of the following represents 10% as a decimal?
Correct Answer:
A: 0.01
If M men can complete a job in H hours , how long will it take 5 men to do this job?
Correct Answer:
C: MH/5
A bookshelf was originally sold for $ 150 Before a big sale , the price was increased 30% and then discounted 40% what is the selling price now.
Correct Answer:
C: $117.00
The manger of a cafeteria uses algebraic expression to calculate the number of servings she can prepare with the amount of food she has in stock. If each can of spaghetti sauce contains 20 servings, which expresion below represents the number of servings in m cans of spaghetti sauce?
Correct Answer:
B: 14
If n and p are both odd numbers, which of the following numbers must be an even numbers?
Correct Answer:
A: n + p
If 4 cows produce 4 cans of milk in 4 days , how many days does it take 8 cows to produce 8 cans of milk?
Correct Answer:
B: 4
Mr. Walker travels Y miles in z hours and then w miles in x hours. How many hours will be needed to travel 750 miles if he maintains this average rate?
Correct Answer:
D: 750 (x+z) /w +y
A Tk 4,800 is to be divided among three people so that X receives twice as much as Y , who receives 1/5 of Z . How much money should Z receives?
Correct Answer:
D: Tk. 3000
The average of 4 numbers is X. If the average of first 3 numbers is Y and the average of last 2 numbers i Z, what is the second number
Correct Answer:
C: 3 Y+ 2Z -4X
If the radius of acircle is increased by 8% then the area of the circle is increased by
Correct Answer:
B: 16.64%
The price per unit of product increased by 25% The actual taka increase in the unit price was Tk. 1.25. What was the unit price in Taka , before the price increase?
Correct Answer:
A: 5.00
If the product 2 numbers is 36 and the sum to the two numbers is 20 , then the larger of the two number is
Correct Answer:
A: 18
On a street with 30 house, 10 house have fewer than 4 rooms 14 houses have more than 5 rooms and 6 houses have more than 6 rooms what is the total number of hoses on the street that are either 4, 5 or 6 room houses?
Correct Answer:
C: 20
what percent of 4 is 6?
Correct Answer:
C: 150
The sum in degrees of the interior angles of a polygon of 13 sides is:
Correct Answer:
C: 1980 degree
A chemist was preparing a solution that should have included 401 milligrams of chemical . If she actually used 41.8 milligrams, what was her percentage error ?
Correct Answer:
C: 4.50%