EXPONENTS Exponents - An exponent refers to a number that how many times to use the number in a mathematical operation like multiplication, division etc. Exponents is also termed as power. Power - An expression that represents repeated multiplication of the same number is called a power. Special cases when the exponent is 0 or 1 :- Case 1. When the power is 0 a^0 = 1 67^0 = 1 Case 2. When the power is 1 a^1 = a 9^1 = 9 Laws of Exponents The following identities hold for all integer exponents :- Practice Questions:- 1.Find out the value of (2/5) 3 ? 2.What is the power of a number when squared? 3. Simplify: (3/2) 2 + (2/3) 2 + (5/4) 2 4. If 4 x = 64, then 3 2x = ? 5. Divide x 5 by x 2 ...
Learn them and write in your notebook to learn English Easily. Helpful for exams. Collective Nouns 1. A galaxy of stars 2. An army of soldiers 3. A bouquet of flowers 4. A band of musicians 5. A range of hills 6.A batch of boys 7. A Grove of trees 8. A bundle of sticks 9. A swarm of ants 10. A bunch of keys or bananas 11. A flight of stairs 12. A bunch of grapes or flowers 13. A troop of horseman 14. A class of students 15. A team of players or bullocks 16. A catalogue of books 17. A party of friends 18. A crowd of people 19. A series of events 20. A flock of sheep, birds or goats 21. A nests of birds 22. A group of persons 23. A crew of sailors 24. A gang of robbers or thieves 25. A heap of sand 26. A shower of rains 27. A hive of bees 28. A choir of singers 29 A herd of cattle, sheep o...
Maths Series for Class 10th Maths PYQs and Practice questions for Class 10th Important for Board Exams MCQs Q. If a pair of linear equations is consistent, then the lines will be (a) always coincident (b) parallel (c) always intersecting (d) intersecting or coincident Ans. (d) intersecting or coincident Q. The addition of a rational number and an irrational number is equal to: (a) rational number (b) Irrational number (c) Both (d) None of the above Answer: (b) Irrational number Q. If x = a, y = b is the solution of the equations x + y = 5 and 2x – 3y = 4, then the values of a and b are respectively (a) 6, -1 (b) 2, 3 (c) 1, 4 (d) 19/5, 6/5 Ans. (d) 19/5, 6/5 Q. The pair of equations 5x – 15y = 8 and 3x – 9y = 24/5 has (a) one solution (b) two solutions (c) infinitely many solutions (d) no solution Answer: (c) infinitely many solutions Q. Bharat has only ₹1 and ₹2 coins with him. If the tota...
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