If x : y = 5 : 6, then 2x + 3y : 3x + 5y is:
28 : 45
By substituting the values of x and y and simplifying, the ratio is found to be 28:45.
Important Questions from Input Output
- Which option correctly explains the fundamental difference between input and output devices in a computer system?
- Which of the following accurately explains why a touchscreen can be considered both an input and an output device?
When 12 is subtracted from a number, it reduces to its 40%. Two-fifth of that number is:
After an increase of 9% in salary, a person received ₹6,300. What was his salary before the increase (consider integral part only)?
A symbol arrangement mechanism rearranges the input of symbols in each step by specific rules; the example of which is given below:
Input → N, T, Y, A, P, F
Step 1 → Y, T, F, A, P, N
Step 2 → Y, P, F, T, A, N
Step 3 → P, F, A, T, Y, N
Step 4 → P, T, N, F, Y, A
Step 5 → P, N, T, A, Y, F → last arrangement
If the arrangement at the first step of some input is O, D, K, W, G, X, then choose the step from the options that will display the arrangement G, X, D, W, O, K.
