Numbers 1-200 are written on the floor. Three friends Chang, Sneha and Salim started to jump on the numbers. Chang is on 83 and he jumps on every 7th number. Sneha is on 94 and she jumps on every 5th number. Salim is on 106 and he jumps on every 4th number. The common number on which all of them jump will be

Numbers 1-200 are written on the floor. Three friends Chang, Sneha and Salim started to jump on the numbers. Chang is on 83 and he jumps on every 7th number. Sneha is on 94 and she jumps on every 5th number. Salim is on 106 and he jumps on every 4th number. The common number on which all of them jump will be Correct Answer 174

Given:

The numbers are written from 1 to 200.

Chang jumps on every 7th number.

Sneha jumps on every 5th number.

Salim jumps on every 4th number.

Calculation:

Chang is on 83 and he jumps on every 7th number. He will jumps on 83, 90, 97, 104, 111, 118, 125, 132, 139, 146, 153, 160, 167, 174, 181, 188, 195.

Sneha is on 94 and she jumps on every 5th number. She will jumps on 94, 99, 104, 109, 114, 119, 124, 129, 134, 139, 144, 149, 154, 159, 164, 169, 174, 179, 184, 189, 194, 199.

Salim is on 106 and he jumps on every 4th number. He will jumps on 106, 110, 114, 118, 122, 126, 130, 134, 138, 142, 146, 150, 154, 158, 162, 166, 170, 174, 178, 182, 186, 190, 194, 198.

Here, the number 174 is common where everyone will jump.

∴​ The common number on which all of them jump will be 174.