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Q. 1 Write the following in numerals using National and International System using commas:
| Local System | International System | |
| a) 29765 | 29,765= Twenty-nine thousand seven hundred and sixty-five. |
29,765= Twenty-nine thousand seven hundred and sixty-five. |
| b) 123456789 | 12,34,56,789= Twelve crore thirty-four lakh fifty-six thousand seven hundred and eighty-nine |
123,456,789= One hundred twenty-three million four hundred fifty-six thousand seven hundred and eighty-nine. |
| c) 908700005061 | 9,08,70,00,05,061= Nine kharab eight arab seventy crore five thousand and sixty one. |
908,700,005,061= Nine hundred eight billion seven hundred million five thousand and sixty-one. |
| d) 7000000000005 | 70,00,00,00,00,005= Seventy kharab and five. |
7,000,000,000,005= Seven trillion and five. |
Q.2 Write the following in numerals according to the National system:
| Questions | Answers |
|
i) Seventeen kharab and twenty-two. |
👉17,00,00,00,00,022 |
| (ii) Six arab ninety-nine lakh nine hundred and nine. | 👉06,00,99,00,909 |
| (iii) Two lakh twelve thousand six hundred and thirty-one. | 👉02,12,631 |
| (iv) Sixty-two lakh, five thousand, eight hundred and three. | 👉62,05,803 |
| (v) Eight crore fifteen lakh seventeen thousand, eight hundred and fifteen. | 👉08,15,17,815 |
| (vi) Seventy arab four lakh ninety-nine thousand and fifty. | 👉70,00,04,99,050 |
Q. 3 Write the following in numerals according to the International System.
| Questions | Answers |
| (i) Three hundred four million six thousand seven hundred forty-three. | 👉304,006,743 |
| (ii) Ninety billion three million six hundred forty-six. | 👉090,003,000,646 |
|
(iii) Seven hundred thirty-six billion four hundred seventy million three hundred thousand and six. |
👉736,470,300,006 |
| (iv) One trillion one hundred eleven billion ten thousand million one hundred thousand one hundred and one. | 👉001,111,010,100,101 |
|
(v) Ninety billion and ninety. |
👉090,000,000,090 |
