Knowing our numbers class 6 chapter -1 multiple choice questions. These exercises are very useful for nmms, dsc, rrb, ssc, aptet, tstet etc., 1.One lack is equal to A) Ten ten thousand B) Ten thousands C) Thousand thousands D) None of the above ANSWER= (A) 10 ten thousands Explain:- One lack is equal to 10 ten thousand. Check Answer 2. One million is equal to A) Ten ten thousand B) Ten thousands C) Ten hundred thousands D) None of the above ANSWER= (C) 10 hundred thousand Explain:- One million is equal to 10 hundred thousand. Check Answer 3. One crore is equal to A) Ten ten thousand B) Ten thousands C) Ten hundred thousands D) Ten ten lakhs ANSWER= (D) 10 ten lakhs Explain:- One crore is equal to 100 lakhs or 10,000 thousands Check Answer 4. One crore is equal to A) Ten millions B) Ten thousands C) Ten hundred thousands D) Five