8. i9. 9 99 b 88 9 8 9 9. 9 9

Question : If $a: b: c=\frac{1}{4}: \frac{1}{3}: \frac{1}{2}$, then $\frac{a}{b}: \frac{b}{c}: \frac{c}{a}=$?

Option 1: 12 : 9 : 8

Option 2: 9 : 8 : 24

Option 3: 8 : 9 : 24

Option 4: 9 : 12 : 8

Question : If $A:B=3:4$ and $B:C=6:5$, then $C:A$ is

Option 1: $10:9$

Option 2: $9:10$

Option 3: $8:9$

Option 4: $9:8$

Question : Directions: If A denotes +, B denotes –, C denotes × and D denotes ÷, then which of the following equations is true?

Option 1: 8 B 6 D 2 A 4 C 3 = 15

Option 2: 8 A 8 B 8 C 8 = – 48

Option 3: 9 C 9 B 9 D 9 A 9 = 17

Option 4: 3 A 3 B 3 C 3 A 3 D 3 = 4

Question : Directions: Study the following histogram of marks in mathematics (out of 50) of students in a class and answer the following question.

The percentage of number of passed students is (31 is the pass marks):

Option 1: $85\frac{8}{9}$%

Option 2: $86\frac{8}{9}$%

Option 3: $87\frac{8}{9}$%

Option 4: $88\frac{8}{9}$%