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Start learning 50% faster. Sign in nowLet the present age of A = (2x + 2) yrs And the present age of B = (3x + 2)yrs After 6 years, => (2x + 8)/ (3x + 8) = 6/7 => 4x = 8 => x = 2 Present age of B = (3x + 2) = 8 years Present age of C = 8 + 6 = 14 years
The ratio of the number of cats to sheep on a farm is 5:8. The total number of cats and sheep is 91. The combined weight of all t...
The average expenditure of a man for the first 5 month is Rs.4000 and for the next 7 months is Rs.6000. If he saves 10000 in that year then find his ave...
The average of 25 numbers is 22.The average of first 12 numbers is 14 and that of the last 12 numbers is 17. What will be the 25th number?
Akshay bought 25 notebooks for Rs.1260 from shop A and 13 notebooks for Rs.1210 from shop B. What is the average price he paid per book?
Four numbers are arranged in ascending order. When the 1st two numbers are increased by the number equal to their position, and the last two numbers (i....
Average run scored by a batsman in first ‘x’ matches is 70. In next 12 matches he scored runs with an average of 90 so that his overa...
The average number of books sold by Viren in first 3 months is 3000 and in first 4 months is 3800. If the number of books sold by him in 5th ...
The average of two numbers is 2 more than the smaller number among them. If the greater number is 20% more than the smaller number, then find the sum of...
A marked an article 60% above the cost price and sold it for Rs. 450 after giving a discount of 10%. Find the percentage profit earned by him if he sell...
The average height of each student in a class of 20 students is 125 cm. If 10 new students joined the class, then the average height of the each student...
