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Let the age of mother and sone be 11x and 5x. Father’s age 5 years ago= 3 x (5x-5) - 5 = 15x-20 As per the question, 11x+6 = 2 x (5x+6) -1 11x+7 = 10x+12 x=5 Age of mother and son are 55years and 25years, respectively Age of father 5 years ago = (15x5)-20 = 75-20 = 55 years Present age of father = 60 years Sum of the age of father, mother, and son after 12 years = (60+55+25) +(12+12+12) = 140+36 = 176 years.
A person spends 40% of his income on rent, 30% on food, and 20% on education. If he saves ₹2000, what is his total income?
The monthly incomes of A and B are in the ratio of 5:6. A's monthly savings are 50% higher than B's monthly savings, while A's monthly expenditure equal...
The average of a, b and c is 8 less than d. If the average of a, b, c and d is 42, and the average of b and c is 43. then find the average of (a-6) and ...
In the figure, ABCD is a cyclic quadrilateral with O as center of the circle If ∠ BOC = 136°, find ∠ OBC.
The sum of the interior angles of a polygon with n sides is 1800°. Find the value of n.
A container has 80 liters of pure milk. 20 liters of milk is removed and replaced with 20 liters of water. Then, 20 liters of the new mixture is removed...
If p = (19² – 18) +11² + 6, which of the following statements is correct?
A). 3p will always be divisible by 6.
B). 3p+5 will always b...
The highest common factor (HCF) of two numbers is 17. If their product is 867, how many pairs of numbers satisfy these conditions...
Calculate the percentage increase in the total profit of all companies combined from 2020 to 2023.
24.5% of 400 + 528 of 12.5 ÷ 11
