Exams

The acceleration due to gravity at the surface of the earth (mass M and radius R) is proportional to ___.

If a body is whirled in a circle, then the work done on it ___.

There was a group of 6 students who took a test. Another student joined the group after taking the test later. With her marks included the average score of the group went up by 3. This student has got ___ marks more than the average marks without her being included.

As of February 2018, who owns the Delhi-based IPL team "Delhi Daredevils"?

In the following figure, rectangle represents Authors, circle represents Choreographers, triangle represents Playwrights and square represents Asians. Which set of letters represents Authors who are not Asians?

Sea Guardian drones were obtained from which country?

A word is represented by only one set of numbers given in the alternatives are represented by two classes of alphabets as shown in the given two matrices. The columns and rows of Matrix-I are numbered from 0 to 4 and that of Matrix-II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, for example 'F' can be represented by 14, 31 etc and 'U' can be represented by 86, 97 etc. Similarly, you have to identify the set for the word 'SACK'.

In ΔDEF, G and H are points on side DE and DF respectively. GH is parallel to EF. If G divides DE in the ratio 3:2 and HF is 8 cm, then the length of DF is