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Let Aakriti’s age be x yrs. Ponam’s age = x/5 yrs Aakriti’s father’s age = 5/3 x yrs x + x/5 + 5/3 x = 86 43/15 x = 86 x = 30 yrs. Poonam’s present age = 30/5 = 6 yrs Aakriti’s father’s present age = 30 × 5/3 = 50 yrs ∴ Required difference = 50 – 6 = 44 yrs.
Ram, Rahim, and Raman started a business by investing in the ratio of 4:7:10, respectively. After one year, they each made additional investments: Ram a...
The average weight of 12 children rises by 2.15 kg after one of the children, who weighs 56 kg, is replaced by a new child. What is the weight of the ne...
A milkman initially prepared a mixture of milk and water in the ratio of 11:3. Later, he replaced half of the mixture with 30 liters of water, resulting...
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 45 and ratio of the 4th and the 5th number is 2:3. If difference between t...
What is the third proportional to the numbers 12 and 36?
A trapezoid has bases of lengths 10 cm and 20 cm and an area of 180 cm². Find the height of the trapezoid.
12 of 8 - 9 ÷ 3 × 16 - 17 + 6 of 4 - 15
A and B together can complete a work in 12 days. B alone can complete the same work in 30 days. In how many days will A alone complete the work?
A and B start a business with investments of ₹50,000 and ₹40,000, respectively. After 6 months, C joins with an investment of ₹60,000. At the end ...
A spherical metallic shell with 6 cm external radius weighs 6688 g. What is the thickness of the shell if the density of metal is 10.5 g per cm3