Let the present age of Rajesh = 'y' years Then, present age of Ramesh = (77 - y) years According to the question, (y - 1):(77 - y - 1) = 7:8 Or, 8y - 8 = 532 - 7y Or, 15y = 540 So, y = 540 ÷ 15 = 36 So, present age of Ramesh = 77 - 36 = 41 years
What is the industrial name of Epsum?
The seed multiplication ratio of rapeseed, red gram, hybrid maize, sorghum and jute is:
An object is placed on the axis of a concave mirror at its focus (F). The image formed is:
Which of the following is an example of mutualism?
If cream is removed from milk, its density –
An object is placed at a distance of 10 cm in front of a double convex lens made of glass of refractive index 1.5. Both the radii of curvature of the l...
The process by which heat is transferred from the hotter end to the colder end of an object is known as ______.
Tanya throws a ball vertically upwards, which rise to a height of 60 m. Which of the following statements is NOT correct? [Take g = 10 ms–2
The PH of an aqueous solution of a salt is 4.5. Which of the following about this salt is true?
