Question : Directions: Two persons A and B get the same salary. Their basic pay is different. The allowances are 65% and 80% of the basic pay respectively. What is the ratio of the basic pay?

Option 1: 17 : 15

Option 2: 7 : 5

Option 3: 11 : 10

Option 4: 12 : 11

Question : Directions: Which of the following pairs of numbers and signs, when their positions are interchanged, will correctly solve the given mathematical equation?
17 × 15 + 3 – 11 ÷ 3 = 45

Option 1: 15 and 11, – and ×

Option 2: 15 and 11, + and ×

Option 3: 17 and 3, – and ÷

Option 4: 15 and 11, + and –

Question : Directions: Two horses A and B run at a speed of 3:2 ratio in the first lap, during the second lap the ratio differs by 4:7, and during the third lap their ratio differs by 8:9. What is the difference in the ratio of speed altogether between the two horses?

Option 1: 4

Option 2: 2

Option 3: 3

Option 4: 1

Question : The heights of two cones are in the ratio 7 : 5 and their diameters are in the ratio 10 : 21.
What is the ratio of their volumes? (Where $\pi=\frac{22}{7}$)

Option 1: 26 : 47

Option 2: 14 : 19

Option 3: 20 : 63

Option 4: 17 : 21

Question : Directions: In the following question a series is given, with two terms missing. Choose the correct alternative from the given ones that will complete the series.
2, 65, 7, 59, 12, 53, __, ___

Option 1: 15, 42

Option 2: 17, 45 

Option 3: 17, 47 

Option 4: 18, 48 

Question : Arrange the given ratios in descending order
15 : 7, 5 : 11, and 21 : 77.

Option 1: 21 : 77 > 5 : 11 > 15 : 7

Option 2: 15 : 7 > 5 : 11 > 21 : 77

Option 3: 15 : 7 > 21 : 77 > 5 : 11

Option 4: 5 : 11 > 15 : 7 > 21 : 77