Assertion: The difference between the largest number of seven digits and the smallest number of eight digits is 1.
Reason The successor of the largest number of seven digits is the smallest number of eight digits.
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
Assertion (A) is true but Reason (R) is false.
Assertion (A) is false but Reason (R) is true.
Answer
The largest number of seven digits = 9,999,999.
The smallest number of eight digits = 10,000,000.
The difference = 10,000,000 − 9,999,999 = 1.
∴ Assertion (A) is true.
The largest number of seven digits = 9,999,999.
The successor of 9,999,999 = 9,999,999 + 1 = 10,000,000.
The smallest number of eight digits = 10,000,000.
∴ Reason (R) is true.
∴ Reason (R) is the correct explanation of Assertion (A).
Hence, option 1 is the correct option.
Assertion: Ten million is same as one crore.
Reason: There are 8 zeroes in one crore.
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
Assertion (A) is true but Reason (R) is false.
Assertion (A) is false but Reason (R) is true.
Answer
Ten million in the International System is written as 10,000,000.
One crore in the Indian System is written as 1,00,00,000.
Both numbers represent the same value.
∴ Assertion (A) is true.
One crore (1,00,00,000) has 7 zeroes.
∴ Reason (R) is false.
Hence, option 3 is the correct option.