Exams

The mean of the data 3, 10, 10, 4, 7, 10, 5 is

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.

Which is the brightest star in our night sky?

X and Y are two children playing a game. They start from the same point. X walks 11 m North, then turns to his right and walks 21 m. At the same time, Y walks 11 m East, then turns South and walks 5 m, then turns to his left and walks 10 m. Where is Y now with respect to the position of X?

___ is not a chemical change.

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

A triangle is circumscribed on the circle of centre O in such a way that sides AB = 12 cm, BQ = 7 cm and CQ = 5 cm. Calculate the lengtth (in cm) of side AC.

The bar graph shows 1 months sales figures of different brands of televisions of a certain electroics store in Rs. 1000s. Study the diagram and answer the following questions.

Sales of brand B was lesser than that of brand G by ________