Subject :IMO Class : Class 4
Monika's weight is less than 60 kg but more than 29 kg. If she gains 3 kg, her weight will be a multiple of 8. If she loses 4 kg, her weight will be a multiple of 7. Find Monika's weight.
A51 kg
B53 kg
C48 kg
D42 kg
B
Ans 1: (Master Answer)
Class : Class 1
(B): A. 51 + 3 = 54 (not multiple of 8)
B. 53 + 3 = 56 (multiple of 8); 53 - 4 = 49 (multiple of 7)
C. 48 + 3 = 51 (not a multiple of 8)
D. 42 + 3 = 45 (not a multiple of 8)