Question

In a class A of 30 students, 25 passed with 60% or more marks; in another class B of 42 students, 35

passed with 60% or more marks. In which class was a greater frazction of students getting 60% or more

marks?
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Answer 1

Answer:

Class A

Step-by-step explanation:

class A = 25/30 = 5/6

class B = 35/42 = 5/7

Class A has greater fraction

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Answer 2

Answer:

Step-by-step explanation:

class A; 25/30

class B ; 35/42

LCM of 30 and 42 ;

30 ⇒ 2×3×5

42⇒ 2×3×7

LCM = 2×3×5×7 = 210

(25/30)×7 = 175/210

(35/42) × 5 = 175/210

175/210 = 175/210

∴in both classes, the no. of students who got 60% or more is equal