সমতলে বস্তুকণার গতি (Motion of particles in a plane) MCQs
Showing 50 questions (Total: 1241)
A large volume of water is gushing through a pipe which narrows at the outlet.At which point. A,B,C or D will the water flow be the fastest?
Correct Answer:
C: C
329:15 746:34 which numbers below have the same relationship to each other as the two sets of numbers above?
Correct Answer:
D: 749:35
ABCDEFGH what letter is three "to " the right of the letter immediately "to the left of the letter three "to" the left of the letter two to the ritght of the letter f?
Correct Answer:
C: E
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
Sabrina is contemplating a job switch, she is thinking of leaving her job paying $45,000 per year plus 15 percent commission for each sale made. If each of her sales is for $ 1,500, what is the least m number of sales she must make per year if she is not to lose money because of the job change?
Correct Answer:
C: 178
Over the course of a year , a certain microbrewery increased its beer output by 70 percent, At the same time , it decreased its total working hours by 20 percent , By what percent did this factory increase its output per hour?
Correct Answer:
B: 112.5%
In the figure below AD+4, AB=3 and CD= 9. what is the area of triangle AEC?
Correct Answer:
D: 4.5
Dr. Kramer plans to invest $20.000 in an account paying 6% interest annually. Hows much more must she invest at the same time at 3% so that her total annual income during the first year is 4%of her entire investment?
Correct Answer:
C: $40,000
A large delicatessen purchased P pounds of chose for c dollars per pound.If d pounds of the cheses had to be discardede due to spoilage and the delicatessen sold the rest for s dollars per pond, which of the following represents the gross profit on the sale of the purchase?
Correct Answer:
A: s (p-D_pc
Two dogsled teams raced across a 300 mile course in Wyoming. Team A finished the course in 3 fewer hours than did team B. If team A's average speed was 5 miles per hour greater than that of team B, what was team B's average speed, in miles per hour?
Correct Answer:
B: 20
A grocer has 400 pounds of coffee in stock , 20 percent of which is decaffeinated . If the grocer buys another 100 pounds of coffee of which 60 percent is decaffeinated, what percent, by weight, of the grocer's stock of coffeee is decaffeinated?
Correct Answer:
D: 28%
One-fifth of the batteries produced by an upstart factory are defective and one -quarter of all batteries produced are rejected by the quality control technician. If one-tenth of the non-defective batteries are rejected by mistake and if all the batteries not rejected are sold, then what percent of the batteries sold by the factory are defective?
Correct Answer:
A: 4%
Bill and Ben can clean the garage together in 6 hours. If it takes Bill 10 hours working alone, how long will it take working alone?
Correct Answer:
C: 15 hours
In a class, 60% of the students enrolled for Math and 70% enrolled for Economics, If 45% of the students enrolled for both Math and Economics, what percentage of the students of the class did not enroll for either of the two subjects?
Correct Answer:
D: 15%
A mother and father have seven sons and each son has two sisters. How many people are in that family?
Correct Answer:
C: 11
who did not win the Ramon Magsaysay Award From Bangladesh?
Correct Answer:
D: Dr. Debapriya
The Bangladeshi American scientist who achieved four milestones in genomics sequencing the genomes of papaya Rubber, Jute, and Fungus is
Correct Answer:
D: Dr. Maqsudul Alam
which number comes next in the following sequence? 53472 , 24 35,342,?
Correct Answer:
D: 23
Finger is to Hand as leaf is to:
Correct Answer:
B: branch
Mary, who is sixteen years old, is four times as old as her brother , How old will Mary be when she is twice as old as her brother?
Correct Answer:
B: 24
Choose the number that is 1/4 of 1/5 of 200. :
Correct Answer:
B: 5
A grocer has 400 pounds of coffee in stock , 20 percent of which is decaffeinated. If the grocer buys another 100 pounds of coffee of which 60 percent is decaffeinated, what percent, by weight of the grocer's stock of coffee is decaffeinated?
Correct Answer:
D: 28%
which of the following is equal to the cube of a non-integer?
Correct Answer:
C: 9
The area of a circle is 36 pie . If half the circumference is kpie, what is the value of K?
Correct Answer:
B: 6
If a cube has a total surface area of 96. what is its volume?
Correct Answer:
B: 64
If 35% of 400 is 20% of x , then x =?
Correct Answer:
D: 700
Jim''s Taxi service charges an initial fee of $ 2.25 at the beginning of a trip and an additional charge of $0.35 for each 2/5 of a mile traveled. what is the total charge for a trip of 3.6 miles?
Correct Answer:
B: $5.40
If a copier makes 3 copies every 4 seconds, then continues at this rate, how many minutes will it take to make, 9,000 copies?
Correct Answer:
C: 200
Two hundred multiples of seven are chosen at random. and 300 multiples of eight are chosen at random. Approximately what percentage of the 500 selected numbers are odd?
Correct Answer:
A: 20%
If the average of x and y is 40 , and z-x =60 , what is the average of y and z?
Correct Answer:
D: 70
A gram of fat contains 9 calories. An 1,800-calorie diet allows no more than 20% calories from fat. How many grams of fat are allowed in that diet?
Correct Answer:
D: 40 g
If the diameter of a circle is 14. then the area of the circle is
Correct Answer:
A: 49 pie
Three apples and twice as many oranges add up to one-half the number of cherries in a fruit basket. How many cherries are there ?
Correct Answer:
A: 18
If x +9 is an even integer, the sum of the next two even integers is:
Correct Answer:
C: 2x + 24
240 radioactive grams of goo loses half its radioactivity every 10 days. How many grams of radioactive goo is left in 40 days?
Correct Answer:
C: 15
If f and g are distinct prime numbers less than 10. which of the following cannot be the product of f and g?
Correct Answer:
B: 9
Jason can mow a lawn in 2 hours . ciera can mow the same lawn in 4 hours. If they work together. how many hours will it take them to mow the same lawn?
Correct Answer:
A: 1 hour 20 minutes
John has started an egg farm. His chickens produce 540 eggs per day and his eggs sell for $3.00 a dozen . How much does John make on eggs per week?
Correct Answer:
D: $945
Mary purchased chairs for $ 38 and sold all but 20 of them for $ 64 each, making a profit of $ 358. How many chairs did she originally purchase?
Correct Answer:
C: 63
A truck travels 20 miles due north , 30 miles due east and then 20 miles due north. How many miles is the truck from the starting point?
Correct Answer:
D: 50
If a cube has a volume of 125 , what is the surface area of one side?
Correct Answer:
C: 25
Alan has been ill and worked only 3/5 of his usual 40- hour week. He makes $ 13.85 an hour, How much has he earned this week?
Correct Answer:
A: $ 332.40
Two dogsled teams raced across a 300 mile course in Wyoming . Team A finished the course in 3 ours than did team B. If team As average sped was 5 miles per hour greater than that of team B , what was team B's average speed in miles per hour?
Correct Answer:
B: 20
If the area of a circle is 81 pie , then the circumference of the circle is :
Correct Answer:
B: 18 pie
at the wholesale store you can buy an 8-pack of hot dogs for $ 1.55 a 20 pack for $ 3.05 and a 250 pack for $ 22.95 . what is the greatest number of hot dogs you can buy at this store with $ 200?
Correct Answer:
C: 2100
Two integers are in the ratio of 1 to 4 . If 6 is added to the smaller number. the ratio becomes I to 2 . Find the larger integer.
Correct Answer:
C: 24
If 12 percent of x is 30 percent of 480 , then x is
Correct Answer:
D: 1,200
Company P had 15 percent more employees in December than it had in January . If company P had 460 employees in December , how many employees did it have in January?
Correct Answer:
D: 400
If you multiply the hight of a cylinder by 9* , by what must you multiply the radius if the volume is to stay the same .
Correct Answer:
D: 1/3
what is smallest of six consecutive odd integers whose average is x +2.
Correct Answer:
B: x -3