Question : If 16 : $x$ :: $x$ : 196, find the positive value of $x$?

Option 1: 60

Option 2: 62

Option 3: 56

Option 4: 64

Question : In a class of 1500 students, the percentage of girls is 30%. If 80% of the boys failed the examination, find the number of boys who passed the examination.

Option 1: 840

Option 2: 210

Option 3: 550

Option 4: 630

Question : If $\frac{J}{4}=\frac{K}{5}=\frac{L}{3}$, what is the value of $(L + J)^2:(J +K)^2:(K +L)^2$?

Option 1: 25 : 16 : 9

Option 2: 64 : 25 : 81

Option 3: 49 : 81 : 62

Option 4: 49 : 81 : 64

Question : A product, whose marked price is Rs. 840, is sold for Rs. 798 by a wholesale shop. What is the percentage discount given by him?

Option 1: 6%

Option 2: 5%

Option 3: 3%

Option 4: 4%

Question : What is the value of 49 × 64 ÷ 56 + 45 ÷ 5 + 25 × 5 + 75 ÷ 3 + 8 × 3?

Option 1: 225

Option 2: 214

Option 3: 239

Option 4: 250