JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" name="resposta1">
<input type="text" name="resposta2">
<input type="text" name="resposta3">
<input type="text" name="resposta4">
<input type="text" name="resposta5">
<input type="text" name="resposta6">
<input type="text" name="resposta7">
<input type="text" name="resposta8">
<input type="text" name="resposta9">
<input type="text" name="resposta10">
<input type="button" id="btn-bloco" value="Aperte">

JavaScript

var maxRespostas = 3;

$("#btn-bloco").on("click", function () {
    var respondidas = $('input[name^="resposta"]').filter(verificarValue);
    if (respondidas.length > maxRespostas) respondidas.slice(3).val('');
});

function verificarValue(i, input) {
    var value = input.value.split(' ').join('');
    return value;
}