সমতলে বস্তুকণার গতি (Motion of particles in a plane) MCQs
Showing 50 questions (Total: 1241)
A retailer buys a radio from the wholesaler for $ 80.00 He then marks up the price by 1/2 and sells it at a discount of 20% What was his profit on the radio?
Correct Answer:
B: $16.00
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:
A: 40 g
What is the average of all the multiples of ten from 5 to 185 inclusive?
Correct Answer:
B: 95
If 30% of r is equal to 75% of s, what is 50% of s if r =30?
Correct Answer:
B: 6
If the figure below , what is the slepe of line?
Correct Answer:
B: -1/3
A box is made in the form of a cube. If second cubical box has inside dimensions three times those of the first box, how many times as much does it contain?
Correct Answer:
D: 27
If xyz = 360 , which of the following can not be a value of y?
Correct Answer:
A: -1
If a=2/3 B, B=2/3 C and C=2/3 D, what part of D is ?
Correct Answer:
A: 8/27
If the diameter of a circle is 14 ,then the area of the circle is
Correct Answer:
C: 49 pie
The sum of the non-prime numbers between 40 and 50 , non -inclusive is
Correct Answer:
A: 274
Two boards are being cut for a construction project. If the total length of the boards is 100 inches and the shorter board is 5 inches less than half the length of the longer board , what is the length of the shorter board?
Correct Answer:
B: 30 inches
Jim's Taxi service charges in initial fee of $ 2.25 at the beginning of a trip and an additional charge of $ 0.35 for each 2/5 a mile traveled . What is the total charge for a trip of 3.6 miles?
Correct Answer:
C: $ 5.40
In a certain conservative mutual fund. 70 percent of the money is in vested in bonds , and of that portion , 40 percent is invested in highly rated corporate bonds . If at least $ 1.4 million in this what is the smallest possible total value for the mutual fund?
Correct Answer:
D: $8 million
A bag contains 58 purple jellebeans , 23 green jellybeas , and 19 yellow jellybeans, these jellybeans are the only items in the bag. If a person have to pickout in order to double the probability that a jellybean picked out of the bag at random would be a green jellybean?
Correct Answer:
D: 50
Two positive integers differ by 7 . The sum of their squares in 169 . Find the larger integer.
Correct Answer:
D: 12
A certain dentist specializes in implanting gold and silver teeth in his patients mouths .He charges $ 650 for a gold tooth an $ 325. for a silver tooth. If his told fees for implanting gold and silver teeth last week were $ 15, 925 in total and he implanted five more gold teeth that silver teeth, how many teeth in total did he implant over the week?
Correct Answer:
C: 31
In a sample of associates at a low firm. 30 percent are second -year associates, and 60 percent are not first-year associates . That percentage of the associates at the law firm have been there for more than two years?
Correct Answer:
B: 30
If a set of Numbers consists of 1/4 and 1/6 what number can be added to the set to make the average also equal to 1/4?
Correct Answer:
C: 1/3
ABCD is a square of side 10. AFC is an are of a circle with the center at D and radius 10. AGC is an are of a circle with the center at B and radius 10. Find the area of AFCG/
Correct Answer:
A: 50 -100pie
In a annutal behavior experiment , 50 tagged white pigeons and 200 tagged gray pigeons were released from a laboratory. Within one week, 88 percent of the white pigeons and 80.5 percent of the gray pigeons had returned to the laboratory. what percent of the total number of piegens returned to the laboratory?
Correct Answer:
C: 82%
A retailer sells 5 shirts, The first 2 he sells for $ 64 and $ 39. If the retailer wishes to sell the 5 shires ts for an overall average price of over $ 50 , what must be the minimum average price of the remaining 3 shirts?
Correct Answer:
D: $48.67
Four staff members at a certain company worked on a project. The amounts of time that the furn staff members worked on the project were in the ratio 2 to 3 to 5 to 6 If one of the four staff members worked o the project for 30 hours, which of the following CANNOT be the total number of hours that the for staff members worked on the project?
Correct Answer:
A: 192
At a Luncheon table where 20 men are seated, one -half of then men belong to club A, one -fourth belong to club B and one-tenth to both clubs , how many men belong to neither?
Correct Answer:
C: 7
One -third of a number is 17 more than one-fourth of that number . What is the number?
Correct Answer:
D: 204
If a eggs weight ab ounces each, c eggs weight from d to e ounces each, and f eggs weight from g to h ounces each. what is the mininum seight of all the eggs/
Correct Answer:
C: ab +cd + fg
If 40% if j is equal to 50% of K, then j is
Correct Answer:
D: 20% larger than k
If 35% of 400 is 20% of x, then x=?
Correct Answer:
D: 700
If 1>x >0 , which of the following is the largest?
Correct Answer:
A: x +1
Radius of circle center 0 is 3 times the radius of circle center C. Angle ACB -A angle POQ. If the shaded are of circle C is 2 then what is the area of then shaded part of circleO?
Correct Answer:
D: 18
A box is made in the form of a cube . If a second cubical box has inside dimension four times of the first box ,how many times as much does it contain?
Correct Answer:
A: 64
How many liters of a 60% iodine solution need to be mixed with 30 liters of a 30% iodine solution to create a 50% iodine solution?
Correct Answer:
A: 60
If the diameter of a circle is 12 . then the area of the circle is
Correct Answer:
B: 36 pie
ABCD is a square of side 8 AFC is an are of a cricle with the center at D and radius 8 . AGC is an are of a circle with the center at B and radius 8. Find the area of AFCG.
Correct Answer:
D: 32 pie - 64
If wzyz=360 , which of the following cannot be a value of w?
Correct Answer:
A: -2
In a certain growth fund , 3/5 of the investment capital is investment in stocks, and of that portin, 1/3 is invested in preferred stocks. If the mutual fund has $ 8,64,000 invested in preferred stocks , what is the total amount of money invested in the fund?
Correct Answer:
A: $4,230.000
Two boards are being cut for a construction project . If the total length of the boards is 100 inches and the shorter board is 5 inches less than half the length of the longer board, what is the length of the shorter board ?
Correct Answer:
C: 70 inches
A certain lab experiments with white and brown mice only. In one experiment , 2/3 of the mice are how many mice in total are in the experiment?
Correct Answer:
C: 39
A restaurant orders 150 kg of pumpkins from the farmer's market. The farmer fills the order with 23 pumpkins. The average mass of the first 20 pumpkins is 6.5 kg. What must be the minimum average mass of the remaining 3 pumpkins to fill the order?
Correct Answer:
C: 6.67 kg
In a sample of associates at a law firm, 35 percent are second yer associates, and 55 percent are not first -year associates. That percentage of the associates at he law firm have been there for more than two years?
Correct Answer:
C: 20
The Mega Tek Corporation is displaying its distribution of employees by department in a circle graph. The size of each sector of the graph respresenting a department is proportional to the percentage of total employees in that department . If the section of the circle graph representing the manufacturing department takes up 72 degree of the circlet , what percentage of Mega Tek employees are in manufacturing?
Correct Answer:
A: 20%
Four staff members at a certain company worked on a project. The amounts of time that the furn staff members worked on the project were in the ratio 3 to 4 5 to 6 . If one of the four staff members worked on the project for 60 hours, which of the following CANNOT be the total number of hours that the four staff members worked on the project ?
Correct Answer:
A: 540
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:
B: 28%
A farmer with 1,350 acres of land had planted his fields with corn, sugar cane, and tobacco in the ratio of 5:3:1, receptively, but he want to make more money, so he shifted the ratio to 2: 4:3 respectively. How many more acres of land were planted with tobacco under the new systems?
Correct Answer:
A: 300
Last year's receipts from the sale of greeting cards during the week before Mother's day totaled $ 189 million. which represented 9 percent of total greeting card sales for the year totaled how many million dollars?
Correct Answer:
D: 2,100
If 20 typists can typ 48 letters in 20 minutes, then how many letters will 30 typists working at the same rate complete in 1 hour?
Correct Answer:
D: 216
An abnormal rise in the level of the sea along a coast caused by the onshore winds of a winds of a severe cyclone is --- .
Correct Answer:
A: storm surge
which of the following expressions is used in accepting the blame for something.
Correct Answer:
A: It's my fault
which gives the clue to the meaning of underlined word in the sentences 'It's almost impossible fads because these interests that people enthusiastically follow change very quickly
Correct Answer:
C: things that people are very interested in
which of the following underlined parts sounds differently ?
Correct Answer:
C: chef
which of the following incorrectly spelled?
Correct Answer:
D: walet