Quantitative aptitude

There are three persons P, Q, and R in a family, their ages arranged in ascending order (P < Q < R). Difference between the present age of P and Q is the same as that of Q and R, while the difference between the ages of P and Q is more than 2. Product […]

Q. 15 men or 20 women can complete a task in 108 (1/3) days, while 25 men and 75 women together can complete it in P days. Deepak can do an assignment in (1.5P – 10) days, while Deepa can do the same assignment in 0.8P days. They started the work together and after Q

Question Find the average of the square of first 6 consecutive even numbers starting from 2 to 12, where the last even number is 12. Type multiple_choice Option 12.20 incorrect Option 60.66 correct Option 16.45 incorrect Option 178 incorrect Solution : =13*14/3= 182/3= 60.66

Question Find the average of first 5 consecutive even numbers starting from 2 to 10, where the last even number is 10. Type multiple_choice Option 1 incorrect Option 6 correct Option 2 incorrect Option 8 incorrect Solution The average of first n consecutive even numbers starting from 2 to X, where the last even number

Question Find the average of first 4 consecutive even numbers. Type multiple_choice Option 2 incorrect Option 5 correct Option 1 incorrect Option 8 incorrect Solution Average of first n consecutive even numbers is given by:Average= n+1Here, n=4So, the average = 4+1=5

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