If `a : b=5:7\ a n d\ b : c=6: 11 ,` then `a : b : c=` (a) `35 : 49 : 66` (b) `30 : 42 : 77` (c) `30 : 42 : 55` (d) None of these

If A : B = 5 : 7 and B : C = 6 : 11 then A : B : C = ?

If a:b=5:7 and b:c=6:11, then a:b:c=35:49:66( b) 30:42:7730:42:55 (d) None of these

If 2a + 3b + 4c = 35 and 3a + 5b + 7c = 30 , then a + b + c = _____

If a: b= 2: 3, b: c= 4: 5 and c: d= 6: 7 , find : a: b: c:d .

If A : B=2:3, B : C=4:5 a n d C : D=6:7, then A : B : C : D is 16 :2: 30 : 35 b. 16 : 24 : 30 : 35 c. 16 : 24 : 15 ; 35 d. 18 : 24 : 30 : 35

18. Statement A: If A : B = 5 : 7 and B : C = 6 : 11 then A : B : C is 30 : 42 : 77Statement B: If a and b are coprimes then their LCM is aba) Both A and B are truec) A is false and B is trueb) A is true and B is falsed) Both A and B are false

a is greater than b by 2 and b is greater than c by 10. If a+b+c=130, then (b+c)-a=? (a) 34 (b) 38 (c) 42 (d) 44 (e) None of these

If A:B=2:3 , B:C = 4:5, C:D = 6:7. then A : B : C : D is-

If a+b+c=6\ a n d\ a b+b c+c a=11 , find the value of a^3+b^3+c^3-3a b c

44/(−77) in standard form is (a) 4/(−7) (b) −4/7 (c) −44/77 (d) None of these