quantitative aptitude

Question The average of square of first 6 consecutive even numbers is: Type multiple_choice Option 12.20 incorrect Option 60.66 correct Option 16.45 incorrect Option 178 incorrect Solution : Here, n=6So, Average = 2 (6+1) (2*6+1)/3=2*7*13/3= 182 /3= 60.66

Question If 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. Type multiple_choice Option 20.44 correct Option 18.22 incorrect Option 16.22 incorrect Option 18.66 incorrect Solution : The combined average of the

Question In 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

Question Three 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. Type multiple_choice Option 30 incorrect Option 40 correct Option 60 incorrect Option 25 incorrect Solution Sum of the present ages

Question The 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 Rakesh? Type multiple_choice Option 3000 incorrect Option 6000 incorrect Option 4000 correct Option 2500

Question The 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.

Question The 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. Type multiple_choice Option 20 incorrect Option 85 correct Option 67 incorrect Option 80 incorrect Solution Total weight increased = (8 x 2.5) kg = 20 kg.So,

Question What is the average of first five multiples of 12? Type multiple_choice Option 36 correct Option 38 incorrect Option 40 incorrect Option 42 incorrect Solution Average = 12∗(1+2+3+4+5) ∗ Apti Average 1/5   = 12 ∗ 15∗ 1/5   = 12 ∗ 3= 36

Question A 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? Type multiple_choice Option 15

Question A 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. Type multiple_choice Option 60 km correct Option 92 km incorrect Option 94 km incorrect Option 96 km incorrect