Question
Avni’s present age is 4 times of Pooja’s
age. The sum of the present ages of Avni, Pooja and Avni’s brother is 178 yrs. Avni’s brother’s present age is 11/9 that of Avni. What is the difference between Pooja’s present and Avni’s brother’s present age?Solution
Let Avni’s age be x yrs. x + 11/9 x + x/4 = 178 89/36 x = 178 x = 72 yrs. Pooja’s present age = 72/4 = 18 yrs Avni’s brother’s present age = 72 × 11/9 = 88 yrs ∴ Required difference = 88 – 18 = 70 yrs.
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:
