Question : The ratio of the speed of Aman, Kamal, and Manan is 2 : 3 : 4 respectively. What is the ratio of the time taken by Aman, Kamal, and Manan respectively to cover the same distance?

Option 1: 4 : 3 : 2

Option 2: 2 : 3 : 4

Option 3: 6 : 4 : 3

Option 4: 8 : 9 : 16

Question : Which among the following organs in the human body is most affected by Pneumonia disease?

Option 1: Kidneys

Option 2: Urinary bladder

Option 3: Heart

Option 4: Lungs

Question : At what time will Rs. 1000 become Rs. 1331 at 10% per annum compounded annually?

Option 1: 3

Option 2: $2\frac{1}{2}$

Option 3: 2

Option 4: $3\frac{1}{2}$

Question : A, B, and C are assigned to complete a work. If the ratio of time taken by A, B, and C is 4 : 3 : 6. Find the ratio of their efficiency.

Option 1: 3 : 4 : 2

Option 2: 4 : 3 : 6

Option 3: 3 : 4 : 6

Option 4: 4 : 6 : 8

Question : Scurvy is a disease of

Option 1: hair

Option 2: skin

Option 3: liver

Option 4: eyes