QuestionThe average of square of first 6 consecutive even numbers is:Typemultiple_choiceOption12.20incorrectOption60.66correctOption16.45incorrectOption178incorrectSolution : Here, n=6So, Average = 2 (6+1) (2*6+1)/3=2*7*13/3= 182 /3= 60.66

QuestionIf the number of quantities in group A is 10 and in group B is 8, and their individual average is 24 and 16 respectively, find the combined average of the two groups.Typemultiple_choiceOption20.44correctOption18.22incorrectOption16.22incorrectOption18.66incorrectSolution : The combined ...

QuestionIn Varun's opinion, his weight is greater than 65 kg but less than 72 kg. His father does not agree with Varun, and he thinks that Varun's weight is greater than 60 kg but less than 70 kg. His sister's view is that his weight cannot be greater than 68 kg. If all are correct in their ...

QuestionThree years ago, the average age of Anita, Priya, and Varsha was 27 years. If five years ago, the average age of Priya and Varsha was 20 years, find the present age of Anita.Typemultiple_choiceOption30incorrectOption40correctOption60incorrectOption25incorrectSolutionSum of the present ages ...

QuestionThe average monthly income of Rakesh and Suresh is Rs. 5050. The average monthly income of Suresh and Ramesh is Rs. 6250 and the average monthly income of Rakesh and Ramesh is Rs. 5200. What is the monthly income of ...

QuestionThe captain of a cricket team of 11 members is 26 years old, and the wicket-keeper is three years older than the captain. If the ages of captain and wicketkeeper are excluded, the average age of the remaining players of the team is one year less than the average age of the whole team. What ...

QuestionThe average weight of 8 women increases by 2.5 kg when a new woman replaces one of them weighing 65 kg. Find the weight of the new woman.Typemultiple_choiceOption20incorrectOption85correctOption67incorrectOption80incorrectSolutionTotal weight increased = (8 x 2.5) kg = 20 kg.So, weight of ...

QuestionWhat is the average of first five multiples of 12?Typemultiple_choiceOption36correctOption38incorrectOption40incorrectOption42incorrectSolutionAverage = 12∗(1+2+3+4+5) ∗ Apti Average 1/5   = 12 ∗ 15∗ 1/5   = 12 ∗ 3= 36

QuestionA farmer travelled from his village to city to buy seeds. He went by bicycle at a speed of 20 km/hr and came back at a speed of 5 km/hr. If the farmer took 5 hours and 40 minutes to complete his journey, find the distance between village and city?Typemultiple_choiceOption15 ...

QuestionA man covers a distance of 110 km between two cities in 10 hours. He travelled partly on foot at 9 km/hr and partly on a bicycle at 15 km/hr. Find the distance travelled on foot.Typemultiple_choiceOption60 kmcorrectOption92 kmincorrectOption94 kmincorrectOption96 kmincorrectSolution: ...