Q.9001·Miscellaneous·2016·EasyA medicine is known to be 75% effective to cure a patient. If the medicine is given to 5 patients, what is the probability that at least one patient is cured by this medicine?View question
Q.9002·Miscellaneous·2016·EasyA machine has three parts, A, B and C, whose chances of being defective are 0.02, 0.10 and 0.05 respectively. The machine stops working if any one of the parts becomes defective. What is the probability that the machine will not stop working?View question
Q.9003·Miscellaneous·2016·EasyThree independent events A1, A2 and A3 occur with probabilities P(Ai) = 1/(i+1), i = 1,2,3. What is the probability that at least one of the three events occurs?View question
Q.9004·Miscellaneous·2016·EasyA random sample of 20 people is classified in the following table according to their ages: Age: 15–25 | Frequency: 2 Age: 25–35 | Frequency: 4 Age: 35–45 | Frequency: 6 Age: 45–55 | Frequency: 5 Age: 55–65 | Frequency: 3 What is the mean age of this group of people?View question
Q.9005·Miscellaneous·2016·EasyIf the covariance between x and y is 30, variance of x is 25 and variance of y is 144, then what is the correlation coefficient?View question
Q.9006·Miscellaneous·2016·EasyA coin is tossed three times. Consider the following events: A: No head appears B: Exactly one head appears C: At least two heads appear Which one of the following is correct?View question
Q.9007·Miscellaneous·2016·EasyIn a series of 3 one-day cricket matches between teams A and B of a college, the probability of team A winning or drawing are 1/3 and 1/6 respectively. If a win, loss or draw gives 2, 0 and 1 point respectively, then what is the probability that team A will score 5 points in the series?View question
Q.9008·Miscellaneous·2016·EasyLet the random variable X follow B(6, p). If 16 P(X = 4) = P(X = 2), then what is the value of p?View question
Q.9009·Miscellaneous·2016·EasyWhich of the following statements with regard to coverage rate of Aadhar cards during 2015 is/are correct? 1. The coverage rate of Aadhar cards in western India is quite high and it is above 90 per cent in Gujarat 2. The coverage rate of Aadhar cards is the highest in southern India and it is almost 100 per cent in the states of Telangana and Andhra Pradesh 3. The penetration of Aadhar cards has been very low in north-eastern part of India and it is the lowest in Assam and Meghalaya Select the correct answer using the code given below:View question
Q.9010·Miscellaneous·2016·EasyWhich one of the following is the correct descending order of countries in terms of per capita availability of arable land?View question
Q.9011·Miscellaneous·2016·EasyMatch List I with List II and select the correct answer using the code given below the Lists: List I (Geomorphic Agent) List II (Feature) A. Ground water 4. Lapies B. Running water 1. Plunge pool C. Glacier 2. Horns D. Wind 3. Playas Code:View question
Q.9012·Miscellaneous·2016·EasyWhich of the following statements concerning temperature is/are correct? 1. In winter season isotherms in Northern Hemisphere are more or less circular on continents 2. Isotherms are parallel to latitude in Southern Hemisphere in oceans 3. Minimum temperature during winter is recorded in Northern Canada Select the correct answer using the code given below:View question
Q.9013·Miscellaneous·2016·EasyWhich of the following equations is/are correct ? 1. f′(–2) = f(1) 2. f′(–2) + f′(0.5) + f′(3) = 4 Select the correct answer using the code given below :View question
Q.9014·Miscellaneous·2016·EasyWhich of the following statement(s) concerning natural regions of the world is/are correct? 1. Equatorial climatic regions have less urbanization 2. Mediterranean climatic regions have high level of urbanization 3. Equatorial climatic regions have high concentration of human population 4. Mediterranean climatic regions practice plantation farming Select the correct answer using the code given below:View question
Q.9015·Miscellaneous·2016·EasyWhich one of the following gases gives acidic solution on dissolving in water?View question
Q.9016·Miscellaneous·2016·EasyHow many moles of hydrogen atom are present in one mole of Aluminium hydroxide?View question