Test: Large Numbers Around Us - Class 7 MCQ

40 thousand is equal to 40,000 and 5 lakhs is equal to 500,000. Therefore, 40,000 is less than 500,000, making the correct comparison <.
Thus, 40 thousand < 5 lakhs.

In the Indian numbering system, commas are placed after every two digits starting from the right after the first three digits. Hence, the correct format for 12345678 is 1,23,45,678.

A hundred lakh is equal to 1 crore, which has 7 zeros (1,00,00,000). Therefore, a hundred lakh has 7 zeros.

Calculating the sum: 5,72,345 + 3,19,876 = 8,92,221. Since 8,92,221 is greater than 8,90,000, the answer is greater than.

The product of 111 multiplied by 111 is calculated as follows: 111 × 111 = 12321. This can also be verified through the formula (a+b)² where a=100 and b=11.

The exact sum of 3,82,456 and 2,97,543 is 3,82,456 + 2,97,543 = 6,80,999.

4,50,700 is written in words as 'Four lakh fifty thousand seven hundred'. This includes the numeric representation of each segment of the number.

To reach 70,000 using only +1000 increments, you would need to press the button 70 times, as 70,000 divided by 1000 equals 70.

When rounding 82,345 to the nearest ten thousand, we look at the thousands place. Since 2 is less than 5, we round down to 80,000.

In 100 years, Priya would have 100 × 365 = 36,500 days. If she eats 4 varieties each day, that amounts to 36,500 × 4 = 146,000 varieties. However, she can only taste 1 lakh varieties, which she can do in this time frame. Therefore, the answer is No, she cannot taste all within that lifetime.