Student Questions

Mina's exam consists of 3 periods. The exam started at 12:00 PM. If each period consists of 35 minutes, when is the time for submission?

what c is the sun core

An object 10 cm high is placed at a distance of 20 cm in front of a convex lens. An erect image 25 cm high is formed on the same side of the lens as the object is. Find the focal length of the lens if the distance between the object and the image formed is 30 cm.

A convex lens with a focal length of 12 cm has an object at a distance of 20 cm in front of the lens. A blurred image is obtained on the screen placed at a distance of 23 cm in front of the lens. In order to obtain a clear image, the screen has to be moved:

What is the value of 99× 99 + 199?

The number of heterosome in the oocyte.

A blood donor found to have antigen B in his blood. The donor can donate blood to individuals having blood group.

Assertion (A)-DNA replication must occur before mitosis begins. Reason (R) – DNA replication ensures each daughter cell receives a full set of genetic material.

What is the main purpose of fats

Assertion: The angle of inclination from the point Q will always be greater that angle of inclination from the point P. Reason: If ???? = 45° then, ∆???????????? is an isosceles triangle.

The ages of the students of a class form an AP whose common difference 4 months. If the youngest is 8 years old and the sum of the ages of all the students of a class is 168 years, find the number of students in the class.

The horizontal distance between two trees of different heights is 60m. The angle of depression of the first tree when seen from the top of the second tree is 45°. If the height of the second tree is 80m, find the height of the first tree.

What is 9999-777=?

Choose the word that is a synonym (means the same) of the word "Enormous".

How many total thousands are there in the number 37,842?

Which of the following parts acts as the "brain" of the computer and processes all the instructions?

What group does gas and liquids come under

Unjumble the letters: LAOR TARIDIONST

which is the correct spelling in the following words

Rahul saw a girl throw away a bottle of juice.. what should he do?