text: org_qns = {
      "Fill in the blank: 423 x 1000 = ____ x 10": {
          "answers": [
              "42300",
              "423",
              "4230",
              "423000"
          ],
          "difficulty": "Easy"
      },
      "Which of the following is closest to 1?": {
          "answers": [
              "4/5",
              "1/2",
              "2/3",
              "3/4"
          ],
          "difficulty": "Easy"
      },
      "Which of the following is the same as 2010 g?": {
          "answers": [
              "2 kg 10 g",
              "2 kg 1 g",
              "20 kg 1 g",
              "20 kg 10 g"
          ],
          "difficulty": "Easy"
      },
      "Find the value of (3y +1) / 4 , when y = 5": {
          "answers": [
              "4",
              "9",
              "8",
              "5"
          ],
          "difficulty": "Easy"
      },
      "The ratio of Rachel's age to Samy's age is 7 : 6.  Rachel is 4 years older than Samy. What is Samy's age this year?": {
          "answers": [
              "24",
              "10",
              "11",
              "28"
          ],
          "difficulty": "Easy"
      },
      "How many fifths are there in 2 3/5?": {
          "answers": [
              "13",
              "11",
              "3",
              "6"
          ],
          "difficulty": "Easy"
      },
      "The sum of 1/2 and 2/5 is the same as ___.": {
          "answers": [
              "0.900",
              "0.009",
              "0.090",
              "9.000"
          ],
          "difficulty": "Easy"
      },
      "What is the value of 36 + 24 / (9 - 3) + 2 x 5 ?": {
          "answers": [
              "50",
              "51",
              "60",
              "66"
          ],
          "difficulty": "Easy"
      },
      "Sally has 100 marbles and her brother has 300 marbles. Express Sally's marbles as a percentage of the total number of marbles they have altogether.": {
          "answers": [
              "25%",
              "33 1/3 %",
              "300%",
              "400%"
          ],
          "difficulty": "Easy"
      },
      "Mr Tan has an equal number of pens and pencils. He puts the pens in bundles of 8 and the pencils in bundles of 12. There are 15 bundles altogether. How many pens are there?": {
          "answers": [
              "72",
              "24",
              "48",
              "96"
          ],
          "difficulty": "Hard"
      },
      "3 ones, 4 tenths and 7 thousandths is ___": {
          "answers": [
              "3.407",
              "3.470",
              "3.047",
              "3.740"
          ],
          "difficulty": "Hard"
      },
      "Which of the following is equal to 0.25%?": {
          "answers": [
              "1/400",
              "1/25",
              "1/4",
              "25"
          ],
          "difficulty": "Hard"
      }
  }