Question
9 years ago from now, ratio of ages of ‘R’ and
‘L’ was 2:5, respectively. If ‘L’ is 5 years elder to ‘R’, then what will be the age of ‘L’, 5 years hence from now?Solution
9 years ago from now, let ages of ‘R’ and ‘L’ be ‘2x’ years and ‘5x’ years, respectively. So, 5x – 2x = 9 Or, 3x = 9 Or, x = 3 Present age of ‘L’ = 5x + 5 = 5 × 3 + 5 = 20 years Age of ‘L’, five years hence from now = 20 + 5 = 25 years
A product is sold at ₹720 after two successive discounts of 10% and 20%. Calculate the marked price of the product.
What does the "Word Count" feature in a word processing software typically provide?
The ratio between the sum of the digits of a two-digit number and that two-digit number is 1 : 7. If the digit in the unit's place is four less than the...
A car starts from point A and travels at a speed of 40 miles per hour. After 1 hour, a second car starts from point A and travels in the same direction ...
If log₂(x) + log₄(x) + log₈(x) = 11, with x > 0, then the value of x is:
The ratio of the length and area of a rectangle is 1:39. And the ratio of length and breadth 4:3. Find the perimeter of the rectangle.
A doctor knows that 90% of patients have flu and 10% have allergy. Rash appears in 8% of flu patients and in 95% of allergic ones. If a patient shows r...
What is the total sales for Product B in all four quarters combined?
What will come in place of ?
4, 5, 13, 40, 104, ?.
The highest common factor (HCF) of two numbers is 17. If their product is 867, how many pairs of numbers satisfy these conditions...
Relevant for Exams:
