Exams

In a bag, the ratio of red balls to green balls is 4:9. If 7 more red balls are added to the bag, the ratio of red balls to green balls will become 5:6. How many green balls are there in the bag?

The credit for classifying the elements on the basis of their atomic masses goes to

A student cycles 2 km North, then turns West and cycles 2.5 km, then turns South and cycles 2 km, then turns to his left and cycles 4.5 km. Where is he now with respect to the starting position?

The piechart shows the number of tigers in all the tiger wild life sancturies in the country. Study the diagram and answer the following questions.

What is the total number of tigers in these sanctuaries?

If a mirror is placed on the line MN, then which of the answer figures is the right image of the given figure?

Which is not a basic function of a computer

A right-angled triangle ABC is right-angled at B, and tan A = 4/3. If AC = 25 cm, the length of BC is

Compute 4923 / 547 - 10