Subject :IMO Class : Class 4
Samarth is thinking of a four digit number.
• The fourth digit is the greatest.
• The first digit is double of 2.
• When the third digit is divided by the first digit, the quotient is 2.
• The difference between the second and third digit is 1.
A3768
B4789
C5698
D1239
Ans 1:
Class : Class 4
Answer is B),how? Because the first line mentions that the forth digit is the greatest digit which is nine so option A) and option C) cannot be the answer. The second line mentions that the first digit is double of the number two so option D) cannot be the answer. So the answer is B)
Ans 2:
Class : Class 4
The answer is b}4789
Ans 3:
Class : Class 7
B) 4789