4 years ago, the respective ratio between 1/2 of A's age at that time and four times of B's age at that time was 5:12. Eight years hence, 1/2 of A's age at time will be less than B's age at that time by 2 years. What is B's present age

A sum of money was invested for 14 years in Scheme A which offers simple interest at a rate of 8% p.a. The amount received from Scheme A after 14 years was then invested for two years in Scheme B which offers compound interest (compounded annually) at a rate of 10% p.a. If the interest received from Scheme B was INR 6678/- what was the sum invested in Scheme A

There are three positive numbers, 1/3rd of average of all the three numbers is 8 less than the value of the highest number. Average of the lowest and the second lowest number is 8. Which is the highest number

Number of Samsung cellular phones sold by store E is what percent of the number of phones (both Nokia and Samsung) sold by store C

What is the difference between number of cellular phones (both Nokia and Samsung) sold by store A and total number of Nokia cellular phones sold by stores B and E together

What is the average number of Samsung cellular phones sold by stores B,C and D