Math 10 Chapter 3 - Part A


Math Class 10
1. The ratio between two quantities a and b is denoted by ___________.




Math Class 10
2. The length and width of a rectangle is 42cm and 28cm respectively. The ratio between the two quantities is ____________.




Math Class 10
3. A relation between two quantities such as decrease in one quantity causes decrease in other quantity or increase in one quantity causes increase in the other quantity in the same ratio is called _________ variation.




Math Class 10
4. For 39:26::3:x, the value of x is __________.




Math Class 10
5. If x a 1/y2 then xy2 = _________




Math Class 10
6. If 7/x = x/7 then x = _________




Math Class 10
7. If a:b = c:d then a + b/b = _____________




Math Class 10
8. If x:y :: 7:4 the x | y/ x + y = __________.




Math Class 10
9. Circumference and radius of a circle are ________ proportional


10. Work done and manpower are ____________proportional.


11. If y a x2 and y = 4 when x = 2 then K = __________.




Math Class 10
12. If three quantities are linked in such a way that a:b::b:c then c is called the ________ proportional




Math Class 10
13. The mean proportional of a2b2 and c2 is ____________.




Math Class 10
14. The value of x is continued proportion 8, x, 18 is ____________.




Math Class 10
15. If x + y/y = 11/4 the x:y = ___________




Math Class 10
16. If a:b = 2:3 then 2a - b/2a+ b = _________



17. If x2y = K then y a __________.




Math Class 10
18. The shadow of a 32m long tree is 4m. The ratio between the length and its shadow is __________.




Math Class 10
19. The two acute angles of a right triangle are in the ration 2:1. if one angle is of 60o then the other angle is __________.




Math Class 10
20. If a:b = c:d then a:c = ____________.







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