All subjects
4 solved questions on Logic Puzzle
CSS 2020General Science & AbilityQ. 7
(a) Mushtaq, Pervaiz, Ehsan, Umair and Saleem are friends having different heights and weights. Mushtaq weighs four times as much as Pervaiz and Pervaiz weighs double than Ehsan, Ehsan weighs half as much as Umair and Umair weighs half as much as Saleem. (i) Who is the heaviest among five friends? (ii) Who is the second heaviest? (iii) Who has lowest weight? (iv) Who are equal in weight? (v) Mention the descending order. (b) A farmer needs to build a boundary wall around his farm. If the area of farm is 484 m², what will be the total area of the wall if it is two meters high on three sides and three meters high on one side? (c) Five girls A, B, C, D, E and four boys W, X, Y, Z have to go to a trip in three cars, car-1, car-2 and car-3. The following restrictions for seating in car are to be observed: (i) Only three persons can sit in one car (ii) At least one boy and one girl must be in each car (iii) A and D should remain together (iv) Z cannot sit with B or C in the same car. Distribute boys and girls in three cars. (d) What are social skills? Describe four causes of weak social skills.
#cssnexus #Analytical Reasoning #Weight Comparison Puzzle #Area of Wall
CSS Nexus6 Nov 2026
CSS 2019General Science & AbilityQ. 8
(a) Seven piano students T, U, V, W, X, Y and Z are giving a recital and their instructor is deciding the order in which they will perform; each student will play exactly one piece, a piano solo. The instructor must observe the following restrictions: X cannot play first or second; W cannot play until X has played; neither T nor Y can play seventh; either Y or Z must play immediately after W; V must play immediately after, or immediately before, U. If V plays first, which one of the following must be true? T plays sixth; X plays third; Z plays seventh; T plays immediately after Y; W plays immediately after X. (b) U = {whole numbers from 10 to 24}, A = {even numbers}, B = {numbers divisible by 5}. Write down the number of elements of A∩B. (c) In the given Venn diagram, A represents Americans, S represents scientists and P represents politicians, with regions labelled a to g. Identify: (i) Americans who are politicians but not scientists. (ii) Scientists who are politicians but not Americans. (d) Each packet of washing powder carries a token and 4 tokens can be exchanged for a free packet. How many free packets will I receive if I buy sixty four packets?
#cssnexus #Analytical Reasoning #Logic Puzzle #Sequencing Puzzle
CSS Nexus6 Nov 2026
CSS 2018General Science & AbilityQ. 8
(A) Police officers are in pursuit of a stolen vehicle. Officer Baker is directly behind the stolen car. Officer Lopez is behind Baker; Officer O'Malley is behind Lopez. Officer Reinhart is ahead of the stolen car and coming from the opposite direction. Officer Reinhart makes a U-turn and joins the pursuit. He pulls in behind Officer Lopez. Officer Baker pulls up on the driver's side of the stolen vehicle and Officer Lopez pulls up on the other side. Which officer is directly behind the vehicle? (B) Define a Histogram. How is it constructed? What information may be deduced from it? (C) Look at this series: F2, __, D8, C16, B32. What number should fill the blank? (D) In a certain code language LANDMINE is written as PYRBQGRC. How will HOMEMADE be written in that code language?
#cssnexus #Analytical Reasoning #Logic Puzzle #Histogram
CSS Nexus6 Nov 2026
CSS 2016General Science & AbilityQ. 12
(a) Classification of blood groups is based on the presence or absence of inherited antigenic substances on the surface of red blood cells. In a survey of British population the blood group distribution among 1000 people was as follows: 300 had blood group A, 325 had blood group B, 250 had O and 125 AB. Out of this group a person was selected at random, calculate his probability of having blood group AB. (b) Five friends Ahmad, Ali, Akbar, Nasir and Shehbaz went on summer vacation to five cities namely V, W, X, Y and Z by five different modes of transport, that is by bus, train, aeroplane, car and boat from point A. Akbar went to Y by car and Ali went to X by air. Nasir travelled by boat whereas Shehbaz went by train. For X and W there is no bus service. The person who went to X did not use boat to travel. Now answer the following questions. (i) How did Ahmad travel and where did he go? (ii) Which mode of transport was used by the person who travelled to X city?
#cssnexus #Probability #Blood Groups #Analytical Reasoning
CSS Nexus6 Nov 2026