as 40% are girls then there are = 200 X 40/10 = 80 girls so, number of boys =200-80=120 boys 25 percent of the boys = 120 X 25/100 = 30 boys 10 percent of the girl =80X 10/100 =8 girls so, total student =(30+8)=38 percent of the class signed up for the tour=38/200 X 100 =19%

A particular carmaker sells four models of cars, and each model comes with 5 options. How many different types of cars does the carmaker sell?

ক) 15 খ) 16 গ) 17 ঘ) 18

ব্যাখ্যা (Explanation)

each model comes with 5 options so,total different types of cars does the carmaker sell =5 X 4=20

Ahmad has containers of two different sizes. The total capacity of 16 containers of one size is x gallons, and the total capacity of 8 containers of the other size is also x gallons, and x:0, In terms of x, what is the capacity, in gallons, of each of the larger containers?

ক) 4x খ) 2x গ) x/2 ঘ) x/8

ব্যাখ্যা (Explanation)

Total capacity of 16 one size container is x capacity of one container is x/16 Total capacity of 8 other size container is x capacity of one other size container is x/8

Successive discounts of 20% and 12% are equivalent to a single discount of:

ক) 16.0% খ) 29.6% গ) 31.4% ঘ) 32.0%

ব্যাখ্যা (Explanation)

suppose Cost Price is tk 100 then 20% discount means Selling Price is tk .80 but again on this price there's a dicount of 12% therefore, the final discount =80 X 12/100=9.6 % therefore, total discount = 20+9.6=29.6%

Two equal glasses are respectively 1/3 and ¼ full of milk. They are then filled up with water and the contents mixed in a tumbler. What is the ratio of milk and water in the tumbler?

ক) 7:17 খ) 1:3 গ) 3:5 ঘ) 9:16

ব্যাখ্যা (Explanation)

Given two equal glasses are respectively one third =1/3 and one fourth full of milk=1/4 total milk in both glass=1/3+1/4=7/12 water in 1st glass=1-1/3=2/3 water in 2nd glass=1-1/4=3/4 total water=2/3+3/4=17/12 then ratio of milk and water =(7/12)/(17/12) =>ratio of milk and water =7:17

প্রথম ৩০টি প্রশ্নের ব্যাখ্যা ওয়েবসাইটে; সবগুলোর সম্পূর্ণ ব্যাখ্যা পেতে অ্যাপ ইন্সটল করুন।

অ্যাপ ইন্সটল করুন

One day, Mr. Wahid started 30 minutes late from home and reached his office 50 minutes late, while driving 25% slower than his usual speed. How much time in minutes does Mr. Wahid usually take to reach his office from home?

ক) 60 min. খ) 36 min. গ) 25 min. ঘ) 76 min.

ব্যাখ্যা (Explanation)

Let the distance is d and usual speed is v Time=distance/speed=d/s Hence d/0.75v-d/v=20

A father divides his property between his two sons A and B. A invests the amount at compound profit of 8% p.a. B invests the amount at 10% p.a. simple profit. At the end of 2 years, the profit received by B is Tk. 1336 more than the profit received by A. Find the share of A in the father’s property of Tk. 25,

ক) Tk. 10000 খ) Tk. 45000 গ) Tk. 45800 ঘ) Tk. 25000

If n is any negative number, which of the following must be positive?

ক) n/2 খ) 2n গ) n+2 ঘ) n-2

Which of the following figures has the smallest perimeter or circumference?

ক) A circle with a diameter of 2 feet খ) a square with a diagonal of 2 feet গ) a rectangle with sides of 6 inches and 4 feet ঘ) a pentagon with each side equal to 16 inches

If 0<a<1<b, which of the following is true about the reciprocals of a and b?

ক) 1∠1/a∠1/b খ) 1/a∠1∠1/b গ) 1/a∠1/b∠1 ঘ) 1/b∠1∠1/a

What is the maximum number of 3×3 squares that can be formed from the squares in the 6×6 checker board to the right?

ক) 4 খ) 6 গ) 12 ঘ) 16

In the formula e=hf. If e is doubled and f is halved, what happens to the value of h?

ক) h remains the same খ) h is doubled গ) h is divided by 4 ঘ) h is multiplied by 4

In the (a)novel everyone (b)they encounter (c)try to thwart their (d)efforts. (e)No error.

ক) (a) খ) (b) গ) (c) ঘ) (d)

The (a)anthropologist is (b)interested not in the (c)actions of an individual, but in the social significant of these actions. (e)No error.

ক) (a) খ) (b) গ) (c) ঘ) (d)

(a)Inevitably scholars disagree on (b)an authenticity of many objects whose (c)origins are (d)unknown. (e)No error.

ক) (a) খ) (b) গ) (c) ঘ) (d)

নিজের প্রস্তুতি যাচাই করুন — অ্যাপে লাইভ পরীক্ষা দিয়ে মেরিট লিস্টে নিজের অবস্থান দেখুন।

অ্যাপ ইন্সটল করুন

Special elastic (a)ligament allow (b)the whale’s (c)jaws to accommodate (d)its wide-angle bites. (e)No error.

ক) (a) খ) (b) গ) (c) ঘ) (d)

(a)The institute encouraged the (b)participations of teachers by providing (c)them with travel expenses and (d)lodging. (e)No error.

ক) (a) খ) (b) গ) (c) ঘ) (d)

Q(1-5): Rearrange the following eight sentences A, B, C, D, E, F, G and H in the proper sequence to form a meaningful paragraph; then answer the questions given below them. A. But I always felt somewhere in my mind that I loved acting. B. He never wanted me to be an actor, as he didn’t look upon theatre or acting as respectable vocation. C. Firstly, there was no tradition of theatre in my family. D. I am talking specially of acting not theatre in general. E. My parents were old-fashioned. F. I will answer all your queries a little elaborately. G. Let alone theater, arts in general had no place of respect in my family. H. My father was a government servant. Q-4: Which of the following will be the FOURTH sentence?

ক) D খ) E গ) A ঘ) B

Q(1-5): Rearrange the following eight sentences A, B, C, D, E, F, G and H in the proper sequence to form a meaningful paragraph; then answer the questions given below them. A. But I always felt somewhere in my mind that I loved acting. B. He never wanted me to be an actor, as he didn’t look upon theatre or acting as respectable vocation. C. Firstly, there was no tradition of theatre in my family. D. I am talking specially of acting not theatre in general. E. My parents were old-fashioned. F. I will answer all your queries a little elaborately. G. Let alone theater, arts in general had no place of respect in my family. H. My father was a government servant. Q-3: Which of the following will be the SIXTH sentence?

ক) B খ) C গ) A ঘ) D

Q(1-5): Rearrange the following eight sentences A, B, C, D, E, F, G and H in the proper sequence to form a meaningful paragraph; then answer the questions given below them. A. But I always felt somewhere in my mind that I loved acting. B. He never wanted me to be an actor, as he didn’t look upon theatre or acting as respectable vocation. C. Firstly, there was no tradition of theatre in my family. D. I am talking specially of acting not theatre in general. E. My parents were old-fashioned. F. I will answer all your queries a little elaborately. G. Let alone theater, arts in general had no place of respect in my family. H. My father was a government servant. Q-2: Which of the following will be the FIRST Sentence?

ক) A খ) B গ) D ঘ) C

Retard is to impel as Obfuscate is to-

ক) Hallucinate খ) Confuse গ) Irradiate ঘ) Dampen

In a certain code ‘Table’ is written as WDEOH. How would ‘SKY’ be written in that code?

ক) VNB খ) TBN গ) BNY ঘ) NYB

Which number can be placed at the sign of interrogation? 6 6 8 5 7 5 4 3 ? 120 126 320

ক) 12 খ) 16 গ) 8 ঘ) 4

Which letter is out of place in the following series? I M L T N K O J

ক) O খ) M গ) T ঘ) L

Pharmacists recently conducted a study with respect to the reasons their customers purchased eye drops to soothe eye dryness. Dry eyes were more frequently experienced by customers who wore contact lenses than by customers who did not wear contact wearers to have dry eyes. Which one of the following statements if true most seriously undermines the pharmacists conclusion?

ক) An inherited condition can cause both weak eyesight and dry eyes. খ) Physical exertion causes dry eyes in many people who wear contact lenses. গ) Most people who have dry eyes do not wear contact lenses. ঘ) Most people who wear contact lenses do not have dry eyes.

এই টপিকের সব প্রশ্ন ব্যাখ্যাসহ, ভুল-সঠিক-বুকমার্ক আলাদা করে রিভিশন — অ্যাপে।

অ্যাপ ইন্সটল করুন

Many breakfast cereals are fortified with vitamin supplements. Some of these cereals provide 100 percent of the recommended daily requirement of vitamins. Nevertheless, a well-balanced breakfast, including a variety of foods, is a better source of those vitamins than are such fortified breakfast cereals alone. Which of the following, if true, would most strongly support the position above?

ক) In many foods, the natural combination of vitamins with other nutrients makes those vitamins more usable by the body than are vitamins added in vitamin supplements. খ) People who regularly eat cereals fortified with vitamin supplements sometimes neglect to eat the foods in which the vitamins occur naturally. গ) Foods often must be fortified with vitamin supplements because naturally occurring vitamins are removed during processing. ঘ) Unprocessed cereals are naturally high in several of the vitamins that are usually added to fortified breakfast cereals.

সঠিক উত্তর: ০ ভুল উত্তর: ০