Question : Two numbers are, respectively, 10% and 25% more than the third number. The ratio of the two numbers is:

Option 1: 22 : 25

Option 2: 19 : 25

Option 3: 23 : 25

Option 4: 18 : 25

Question : Directions: In the following question a series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
11, 13, 17, 19, 23, 25, ?

Option 1: 25

Option 2: 27

Option 3: 29

Option 4: 31

Question : The ratio of the present ages of the two boys is $3:4$. After 3 years, the ratio of their ages will be $4:5$. The ratio of their ages after 21 years will be:

Option 1: $14:17$

Option 2: $17:19$

Option 3: $11:12$

Option 4: $10:11$

Question : The HCF of two numbers is 17 and the other two factors of their LCM are 11 and 19. The smaller of the two numbers is:

Option 1: 209

Option 2: 187

Option 3: 323

Option 4: 306

Question : The area of two similar triangles is 324 cm² and 289 cm², respectively. What is the ratio of their corresponding altitudes?

Option 1: $\frac{17}{18}$

Option 2: $\frac{17}{19}$

Option 3: $\frac{19}{17}$

Option 4: $\frac{18}{17}$