Math 10 Chapter 3 - Part D


Math Class 10
1. If a:b::b:c then c = __________




Math Class 10
2. If 49, x and 4 are in continued proportion then x will be




Math Class 10
3. The mean proportional of y3/x7 and x/y3




Math Class 10
4. If x : y = 3:7 then x/x+y =




Math Class 10
5. a:b = 7:11 then 2a + b/ 2a | b =




Math Class 10
6. If a2 + b2/ a2| b2= 13/5 then a:b is




Math Class 10
7. If a/b = 11/4 then a2 + b2/a2 | b2 = _____________




Math Class 10
8. If a/b = b/c= 3 then a =




Math Class 10
9. If c/d = a/b = 1/2 then a2 + c2/b2 + d2 =




Math Class 10
10. The sum of two numbers if 24. The ratio between them is 1:3. One of the number is




Math Class 10
11. If a/b = c/d = 7/3 then c2 + d2/c2-d2 =




Math Class 10
12. If 7a + 4b/7a | 4b = 5 then a/b =




Math Class 10
13. If p2 = 7/q3 then




Math Class 10
14. Current and resistance




Math Class 10
15. y Öa x




Math Class 10
16. x:y::y:z




Math Class 10
17. Work and days




Math Class 10
18. x2 a y




Math Class 10
19. 12,a,3 are in continued proportion then a is




Math Class 10
20. Mean proportional of x-y/x+y, x2y2/x2| y2







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