Q. Ratio of A’s age 8 years after to present age of B is 3: 5 and B’s present age is 25% of C’s age after 15 years. After 4 years A’s age is 12.5% of D’s age after 4 years. If the sum of the ages of A, B, C and D after 1 year is 101, then what is the present age of B? A. 18 years B. 15 years ...

Q. Ratio of the monthly income of A to B is 4:3 and the ratio of the monthly income of B to C is 2:1. If the difference between the C’s monthly income and his savings is Rs.12000 and the saving’s of C is half of his expenditure, then what is the average of the income of A, B and C? Rs.34000 ...

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 of their ages is 400% more than the sum ...

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 days Deepak left, the ...

QuestionFind the average of the square of first 6 consecutive even numbers starting from 2 to 12, where the last even number is 12.Typemultiple_choiceOption12.20incorrectOption60.66correctOption16.45incorrectOption178incorrectSolution : =13*14/3= 182/3= 60.66

QuestionFind the average of first 5 consecutive even numbers starting from 2 to 10, where the last even number is 10.Typemultiple_choiceOption1incorrectOption6correctOption2incorrectOption8incorrectSolutionThe average of first n consecutive even numbers starting from 2 to X, where the last even ...

QuestionFind the average of first 4 consecutive even numbers.Typemultiple_choiceOption2incorrectOption5correctOption1incorrectOption8incorrectSolutionAverage of first n consecutive even numbers is given by:Average= n+1Here, n=4So, the average = 4+1=5

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 ...