Question : By which number should 0.022 be multiplied so that the product becomes 66?

Option 1: 3000

Option 2: 3200

Option 3: 4000

Option 4: 3600

Question : By which natural number should 5000 be divided so that it becomes a perfect square?

Option 1: 2

Option 2: 5

Option 3: 8

Option 4: 7

Question : What is the smallest number which can be added to 9454351626 so that it becomes divisible by 11?

Option 1: 1

Option 2: 6

Option 3: 5

Option 4: 4

Question : Find the smallest number that can be subtracted from 148109326 so that it becomes divisible by 8.

Option 1: 4

Option 2: 8

Option 3: 6

Option 4: 10

Question : Let $x$ be the least number which when subtracted from 10424 gives a perfect square number. What is the least number by which $x$ should be multiplied to get a perfect square?

Option 1: 3

Option 2: 2

Option 3: 6

Option 4: 5

Question : Two numbers are 90% and 75% less than a third number. By what percentage should the first number be increased so that it becomes equal to the second number?

Option 1: 250

Option 2: 200

Option 3: 150

Option 4: 100