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Mathematical Reasoning

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At present, many competitive examinations have also started asking questions under mathematical reasoning. The questions that are asked under this are based on mathematical rules, whose purpose is to assess the general intellectual capacity of the test takers.

 

Derived Example

Example 1. How many fish can float by making at least one formation, if there is two fish in front of a fish, and two fish behind a fish and one fish between two fish Ho ?

(a) five (b) seven (c) four (d) three

Solution: (d)

Therefore, at least three fishes can float by formation.

 

Example 2. How long a monkey will touch the top of the tree of 60 feet tall, if it bounces 3 feet in one second and instantly falls 2 feet?

(a) 60 seconds (b) 50 seconds (c) 58 seconds (d) 57 seconds

Solution: (c) Total length of tree = 60 feet monkey first 3 feet in second and 2 feet below i.e. i.e. in 1 second i.e. it only climbs up to 1 (3 -2) feet.

Monkey climbs up to 1 feet = 1 second

It will climb 57 feet = 57 seconds and the remaining 3 feet will climb in the next second.

Hence the total time taken to climb the tree by the monkey = 57 + 1 = 58 seconds

 

Example 3. Some nineteenths of the 40 children were equally divided. If 20 children were more then each child would get less than 5 mts. Tell me how much was the number of sects divided in the beginning?

(a) 200 (b) 300 (c) 400 (d) 600

Solution: (d) Recognize initially the number of antibodies that each child receives = X
Then the total number of antlers in the beginning = 40 × x = 40x

Number of deaths for each child receiving 20 children increases = X – 5

Therefore (40 + 20) = 60 numbers of children receiving the number = 60 (X – 5)

Now, according to the question,
60 (x-5) = 40x

⇒ 60x – 300 = 40x

⇒ 20x = 300

⇒ x = 15

So the number of arrays divided in the beginning = 40x = 40 × 15 = 600

Objective type Questions, Notes for Govt Exams, current affairs, general knowledge, hindi objective questions, English objective questions, Mathematics objective Questions, Reasoning Objective Questions, study material for IBPS, study material for banks, study material for SSC, study material for DSSSB, Aptitude objective type Questions, Solved Question papers, Notes, Study Material, general knowledge questions and answers, gk questions and answers, hindi questions and answers, English questions and answers , mathematics questions and answers, reasoning questions and answers, current affairs questions and answers, general knowledge questions and answers for competitive Exams, gk questions and answers for competitive Exams, hindi questions and answers for competitive Exams, English questions and answers for competitive Exams, Mathematics questions and answers for competitive Exams, reasoning questions and answers for competitive Exams, current affairs questions and answers for competitive Exams, Railway jobs, banking job, corporate jobs, government jobs, govt jobs, private jobs, CPO, PCS, RRB, CDS, UPSC,Notes, Online Tests, practice sets, questions and answers with explanation for competitive examination, entrance test, Railway, IBPS, SSC, DSSSB, PCS, Banking for hindi, english, mathematics, reasoning, gk, current affairs and many more.





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