Q.6805·Miscellaneous·2019·EasyA research team examined a long-term owl roost. Owls prey on small mammals and the excreted remains of those meals that accumulated over the time, provide us an insight into the composition and structure of small mammals over the past 'millennia. The research suggested that when the Earth went through a period of rapid warming about 13,000 years ago, the small mammal community was stable and resilient. But, from the last quarter of the nineteenth century, human-made changes to the environment had caused an enormous drop in biomass and energy flow. This dramatic decline in energy flow means modern ecosystems are not adapting as easily as they did in the past. On the basis of the above passage, the following assumptions have been made : Global warming is a frequently occurring natural phenomenon. The impending global warming will not adversely affect small mammals. Humans are responsible for the loss of the Earth's natural resilience. Which of the above assumptions is/are valid ?View question
Q.6806·Miscellaneous·2019·EasyFood varieties extinction is happening all over the world --- and it is happening fast. For example, of the 7,000 apple varieties that were grown during the nineteenth century, fewer than o hundred remain. In the Philippines, thousands of varieties of rice once thrived; now only up to a hundred are grown there. In China, 90 percent of the wheat varieties cultivated just a century ago have disappeared. Farmers in the past painstakingly bred and developed crops well suited to the peculiarities of their local climate and environment. In the recent past, our heavy dependence on a few high yielding varieties and technology-driven production and distribution of food is causing the dwindling of diversity in food crops. If some mutating crop disease or future climate change decimates the few crop plants we have come to depend on to feed our growing population, we might desperately need some of those varieties we have let go extinct. On the basis of the above passage, the following assumptions have been made : Humans have been the main reason for the large scale extinction of plant species. Consumption of food mainly from locally cultivated crops ensures crop diversity. The present style of production and distribution of food will finally lead to the problem of food scarcity in the near future. Our food security may depend on our ability to preserve the locally cultivated varieties of crops. Which of the above assumptions are valid ?View question
Q.6807·Miscellaneous·2019·EasyWhat is X in the sequence 132, 129, 124, 117, 106, 93, X ?View question
Q.6808·Miscellaneous·2019·EasyA wall clock moves 10 minutes fast in every 24 hours. The clock was set right to show the correct time at 8:00 a.m. on Monday. When the clock shows the time 6:00 p.m. on Wednesday, what is the correct time ?View question
Q.6809·Miscellaneous·2019·EasyIf the numerator and denominator of a proper fraction are increased by the same positive quantity which is greater than zero, the resulting fraction isView question
Q.6810·Miscellaneous·2019·EasyWhat is X in the sequence 4, 196, 16, 144, 36, 100, 64, X ?View question
Q.6811·Miscellaneous·2019·EasyIn a group of 15 people; 7 can read French, 8 can read English while 3 of them can read neither of these two languages. The number of people who can read exactly one language isView question
Q.6812·Miscellaneous·2019·EasyA printer numbers the pages of a book starting with 1 and uses 3089 digits in all. How many pages does the book have ?View question
Q.6813·Miscellaneous·2019·EasyConsider the following sequence that follows some arrangement : c_accaa_aa_bc_b The letters that appear in the gaps areView question
Q.6814·Miscellaneous·2019·EasyA family has two children along with their parents. The average of the weights of the children and their mother is 50 kg. The average of the weights of the children and their father is 52 kg. If the weight of the father is 60 kg, then what is the weight of the mother?View question
Q.6815·Miscellaneous·2019·EasySuppose you have sufficient amount of rupee currency in three denominations : Rs. 1, Rs. 10 and Rs. 50. In how many different ways can you pay a bill of Rs. 107 ?View question
Q.6816·Miscellaneous·2019·EasyA' started from his house and walked 20 m towards East, where his friend B joined him. They together walked 10 m in the same direction. Then 'A' turned left while 'B' turned right and travelled 2 m and 8 m respectively. Again 'B' turned left to travel 4 m followed by 5 m to his right to reach his office. 'A' turned right and travelled 12 m to reach his office. What is the shortest distance between the two offices?View question
Q.6817·Miscellaneous·2019·EasyConsider two statements S1 and S2 followed by a question: S1: p and q both are prime numbers. S2: p + q is an odd integer. Question: Is pq an odd integer? Which one of the following is correct ?View question
Q.6818·Miscellaneous·2019·EasyA joint family consists of seven members A, B, C, D, E, F and G with three females. G is a widow and sister-in-law of D's father F. B and D are siblings and A is daughter of B. C is cousin of B. Who is E? Wife of F Grandmother of A Aunt of C Select the correct answer using the code given below:View question
Q.6819·Miscellaneous·2019·EasyIf $ means 'divided by'; @ means 'multiplied by'; # means 'minus', then the value of 10#5@1$5 isView question
Q.6820·Miscellaneous·2018·EasyThree groups of children contain 3 girls and 1 boy; 2 girls and 2 boys; 1 girl and 3 boys. One child is selected at random from each group. The probability that the three selected consist of 1 girl and 2 boys isView question
Q.6821·Miscellaneous·2018·Easy8 coins are tossed simultaneously. The probability of getting at least 6 heads isView question
Q.6822·Miscellaneous·2018·EasyIn a bolt factory, machines X, Y, Z manufacture bolts that are respectively 25%, 35% and 40% of the factory’s total output. The machines X, Y, Z respectively produce 2%, 4% and 5% defective bolts. A bolt is drawn at random from the product and is found to be defective. What is the probability that it was manufactured by machine X?View question