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CBSE->Std 9 Questions

Total Questions 1962
HOW MANY ATOMS FOR 1 MOLE OF HYDROGEN OF MASS 1g?HOW TO FIND IT?
WHAT IS THE FORMULA OF SIMPLE INTEREST AND COMPOUND INTEREST?
how does light travel in a straight line?
Sana participated in a two-round TV quiz.In the first round she answered 10 questions.She received 4 points for each correct answer and lost a point for each incorrect answer.Sana needed more than twenty points to participate in the second round.What is the least number of questions that Sana had to answer correctly in order to qualify for the second round ?
Ravi has 3 hens that lay eggs.One hen lays one egg everyday.The second hen lays one egg every two days.The third hen lays one egg every three days.Based on this information, how many eggs would Ravi gather over a six day period ?
In a class,there are six more girls than boys and the ratio of boys to girls is 2 to 5. How many students are there in the class ?
A class of students was asked who had seen the movie 'The Life of Pie' and who had seen the movie 'Finding Nemo'.20 students had seen at least one of these movies.20% of the students had seen neither of these movies.How many students were in the class ?
When it is 1 pm in Sydney,Australia,the time in Delhi is 7:30 am the same day.Ragini caught a flight from Sydney to Delhi at 10 am Sydney time.The flying time for her flight was 13 hours.What time was it in Delhi when Ragini arrived ?
A pizza shop sells two round pizzas which have the same thickness but are different in size.The smaller one has a diameter of 30cm.The larger one has a diameter of 60cm and costs twice the prize of the smaller one.In terms of 'cost effectiveness' or 'value for money' which of the following statement is true ? a)Each pizza is equally good value. b)More information is needed to workout which is better value. c)The larger pizza is better value. d)The smaller pizza is better value.
why are bryophytes called the amphibians of the plant kingdom?
The lens inside our eyes are made up of which substance?
what is the formula for finding the LSA of a cylinder?
One specific feature of its phylum: (1) Spirogyra (2) Agaricus (3) Moss (4) Fern (5) Pinus (6) Angiosperms (7) Earth worm (8) Cockroach (9) Bony fish (10) bird.
what are the judiciary power of prime minister?
formulas from comparing quantities?
what all are the formulas from the lesson square and the square roots?
what all are the formulas from the lesson practical geometry?
what all are the formulas from the lesson understanding quadrilaterals?
what all are the formulas from the lesson linear equations in one variable?
what all are the formulas from the lesson rational numbers?