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According to the syllabus given by BPSC, 15 (15) questions will be asked from the subject of 'Mental Ability'. Although the syllabus of the given subject is divided into six parts, the distribution of marks is not specified. Therefore, by analyzing and reviewing the questions of the mental ability section of the previous year's BCS Preliminary and written examination, brief guidelines have been provided after discussing which topics are important. 

Mental skills - 15

• Chapter 1: Multiple questions have been asked from the 'Linguistic Logical Reasoning' section each time. Especially, more questions have been asked from the topics like choosing the right word, one-word answer, judging similarity or interrelationship, judging contrast or difference, examining comprehension, understanding relationships, etc. For example.

  • If ICE COLDNESS, then EARTH:?- Gravity (42nd Prelim). 

  • Clock. Thermometer? Mercury (41st Prelim). 

  • Five people are traveling in a train. They are A, B, C, D, O. A is C's mother, C is O's wife. D is A's brother and B is A's husband. What is the relationship between O and B?- Father-in-law (41st Prelim): 

  • "He did not keep my word, he kept- Saheb's word." Bhutto (41st Prelim); 

  • Biva: Kiran :: Subalit?- Well-formed (40th, 37th written); 

  • Success Enthusiasm Failure? Disappointment (40th written); 

  • Intelligence Experience ?-Wisdom (38th written); 

  • Word Karna: Light? Eye (35th written); 

  • Art: Culture: Training: ?- Skill (40th written); 

  • What is the fifth letter before the letter 'm' in the Bengali consonant alphabet?- 'n' (40th written); 

  • Sro, Chak, Bam, Tanchangya are related to these words- Language and Ethnicity (40th written); 

  • Finger: Hand :: Leaf: ? - Twig (36th written); 

  • Without preventing disease. Impossible.- Awareness (35th written); 

  • Used to mean something extreme/terrible- Vishan (35th written). 

  • Which of the following words is of a different type? Moon Moon, Pluto, Mars, Earth. (34th written); 

  • It is impossible for a family without- members (37th/30th written); 

  • D is the mother of C. D is not the daughter of C. Therefore, what is the relationship between D and C?- D is the son of C (35th written) 

Therefore, the chapter has been arranged sequentially with the explanation of previous year's questions and adequate practice attachments in the light of the analysis of previous year's questions.

• Chapter 2: Questions have been asked every time from the 'Problem Solving' chapter. Especially, questions have been asked from mathematical problem solving i.e. mathematical reasoning, comprehension ability (in the light of mathematical reasoning); questions related to geometry, systematic review, time sequence review, calendar related questions etc. For example:

  • If the 2nd day of the month is Monday, then what day will the 18th day of the month be? - Wednesday (41st Preli); 

  • 50 minutes ago it was 4:45 PM, how much time is left until 6 PM? - 25 minutes (41st Preli); 

  • A person's salary has decreased by 5% but after a year it has increased by 5%. What is the percentage increase or decrease in his salary? - 0.25% decrease (41st Preli); 

  • If a-b=63a+b=10 then ²-b²= ?- 60 (40th Written); 

  • Which number is the smallest [2/9, 5/8, 1/5, 7/12] 1/5 (40th written); 

  • What percent of 2 is 8?- 400 (36th written); 

  • If you buy 3 mangoes for 10 rupees and sell them for 2 rupees, what is the percentage profit? 50% (32nd written); 

  • If x - = 1, then what is the value of x?- 4 (36th written); 

  • You have five adhulis, 8 X coins, and how many 10-paisa coins will make a total of 5 taka?- 15 (35th written); 

  • How many tangents can be drawn to a circle from a given point?- 2 (38th written); 

  • When the clock strikes 8, what is the angle between the hour hand and the minute hand?- 1200 (39th written); 

  • What is the difference between the hour hand and the minute hand at 2:30 pm? Degree?- 1050 (38th written); 

  • The clock in the mirror showed 9:30 minutes. What is the actual time? 2:30 minutes (37th written); 

  • If the day after tomorrow is Sunday, what time was the day before yesterday?  Tuesday (38th prelims). 

Such questions are more common. Therefore, the chapter has been arranged with simple explanations and important strategies in the light of previous year's questions.

• Chapter 3: Multiple questions are asked each time from the 'Spelling and Language' chapter. In particular, which of the following is the correct spelling?, Determine the correct spelling, which spelling is incorrect?, Which of the following is an exception to the spelling? Questions like this are asked. Also, language More or less questions have been asked about opposite words, synonyms and terminology from the judgment. For example:

  • Which spelling is correct? - Encyclopedia (41st BCS): 

  • Which is the correct spelling? - Indwelling (40th Preli); 

  • Which phrase is correct? - Necessary, Mithakriya, Ditali (40th Preli). 

  • Which is the correct spelling? - Jewellery (40th Written). 

  • Which is the correct spelling? - Pneumonia (40th Written). 

  • Which of the following is a synonym for 'forehead' - Lalat (35th Written) 

  • Which is a misspelling? (Oasis, Katukti, Paripak, Anjali) - Paripak (40th Written); 

  • Which is not a synonym for 'Agni'? - Prastulit (37th Preli): 

  • Which spelling is correct? - Achievement (37th Preli); 

  • Which is the correct spelling? - Kusanskar (36th Preli) 

Such questions are asked. Therefore, these topic-based questions from various competitive exams, including the past BCS, have been included in this chapter.

• Chapter 4: More or less questions from the 'Mechanical Skills' chapter have been asked in the previous year's examination. Especially, questions have been asked from the topics of use of simple and complex machines, lever related problems, gear and pulley related problems and reflection of different colors and names in mirror and water. However, the title of reflection in the mirror is more important in this chapter. For example:

  • Which will be the reflection of 'RELATION' in the mirror - MOITA JS (41st BCS). 

  • Direction of rotation of screw and clock - In the same direction (41st BCS). 

  • Standing at a distance of 2 feet from the mirror, how far can your reflection be seen in the mirror? 2 feet (36th Prelims): 

  • How many kg 100kg ↑ weight should be kept at the indicated place to maintain balance? - 140 kg (40th preli). 

  • It will be easier to move the road leveling roller if the roller is pulled (40th preli) 

There are many such questions. So the chapter has been arranged with the addition of previous year questions and adequate exercises along with the strategies and methods on how to solve it in a short way.

• Chapter 5: Two or three questions were asked in the previous year's exam from the 'Coordinate Relationship' chapter. However, questions were asked every time from finding hidden figures and completing the arrangement. In addition, questions were asked from topics such as contrasting figures, matching figures, determining direction, calculating distance, arrangement and rearrangement, alphabetical order, etc. For example.

  • Which of the following will be placed in the question mark? -V 36 (42nd Prelims); 

  • Which of the following letters can be rearranged to make a meaningful word? -Ratra A 21 N7 36 Ho A (41st Prelims); 

  • Rahim walked 10 miles towards the north, turned right and walked 5 miles. Then turned right and walked 2 miles. In which direction is he walking? South (41st Prelims);

  •  Will be placed in the question mark -000?Answer: (40th Preli);

  • Which of the following images is different? Answer: B (40th written); 

  • A man travels 4 miles north, 12 miles east, and then 12 miles north again. How far is he from his starting point? 20 miles (40th written): 

  • A man walks from position A 10 feet to the right, then 20 feet to the left, then 20 feet to the left, and finally 20 feet to the left to reach position B. What is the distance between A and B in feet? 10 feet (39th written); 

  • If ABC = ZYX, then GIVV?-TREE (40th written); 

  • If চ ×G is 42, then J*ট =? 110 (40th written). 

  • If 2 x 3=812,4x5=1620, then 6*8=? 4030 (39th written); 

  • If FACE is 6135, then BHAI-? 2819 (38th written); 

  • When A = 1 and U= 21, then M+O=? 28 (38th written). 

  • In the English alphabet, which letter is the 10th to the left of the 18th letter? H (36th letter) 

Is a frequently asked question. Therefore, some strategies including simple methods and short techniques have been provided. The chapter has been arranged with correct answers and accurate explanations of previous year's questions and sufficient examples for practice.

• Chapter 6: More or less questions have been asked from the 'Numerical Skills' chapter every time. Especially, numerical mathematical problem solving, numerical sequence (next number), sequence (series number), numerical similarity, rational numbers (what will be in the blank space). More questions have been asked from topics such as rearrangement of numbers. However, rational numbers, sequence and numerical similarity are important topics of this chapter. For example.

  • What is the last number of the following sequence? 3, 9, 27, 81...?- 243 (42nd Prelims). 

  • How many numbers are divisible by 3 out of 8 between 100 and 200?- 33 (41st Prelims); 

  • Which of the following is the smallest number?- 12 (41st Prelims): 

  • 10 3.30 × 7.1 = 2-2.36 (41st Prelims); 

  • Which number will go in the question mark?- 68 (41st Prelims):

  • Which of the following whole numbers when divided by 3, 4, 5 and 6 leaves 1, 2, 3 and 4 respectively, leaving 58 (40th Preli): 

  • Which number is co-prime?- 9, 16 (31st written); 

  • 10.010,0001 =?,000001 (40th Preli); 

  • 0.4 0.0.02 0 0.08 =?-,00064 (37th Preli); 

  • In how many ways can 6 players be divided into two equal numbers? 20 ways (40th Preli); 

  • What is the sum of the numbers from 1 to 100?- 5050 (38th Preli/37th written); 

  • Which number does not belong to the following series? 1-2-5-10-13-26-29-48-48 (38th Preli): 

  • 1+5+9+.......+ 81=? 861 (36th Preli); 

  • 3. What will be the eighth number of the sequence 7, 4, 14, 14, 5, 21, 6? 28 (36th Prelims). 

Also, what will be the correct number in the circle? Which number will be in the empty part of the box below?, Which number will be in the question mark place of the triangle? In such language, questions are asked with numbers between the box and the triangle. Therefore, by analyzing the previous year's questions, sufficient examples, simple explanations of each question and some important strategies have been formulated in the chapter.

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