Start learning 50% faster. Sign in now
18 years ago, The sum of age of a family of four members = 45 × 4 = 180 years Now at present, The sum of age of four members = 180 + 18 × 4 =252 years Let the Present age of younger child be x years And the present age of older child = (x + 12) years Now, as per the question 252 + x + 12 + x = 45 × 6 2x = 270 – 264 2x = 6 x = 3 Hence the required ratio = (3+12) : 3 = 15: 3 = 5: 1
What is the largest three-digit number that, when divided by either 13 or 17, results in a remainder of 2?
The value of a machine depreciates every year by 12%. What will be its value after 2 year if its value is Rs 19,650?
Find the median of 2, 4, 6, 6, 7, 9, 14, 12 and 13.
Gaurav ate in a restaurant and got a membership discount of 30% on the original bill amount but he has to pay 9% as service tax and 8% service charge on...
A boy initially has 350 candies. He shares 'c%' of his candies with his friends. Later, his mother gives him 'c' additional candies. Calculate the total...
A two-digit number is such that the sum of its digits is 10. If 36 is added to the number, the digits interchange their places. Find the number.
Find the third proportion of 35 and 14.
One-fourth of a number is 70. What will 40% of that number?