a) 3
b) 5
c) 7
d) 9
Answer: c
Explanation: Assume x is the required number.
Step 1 Amitabh 2x Sashi 2x + 50
Step 2 Amitabh 4x + 100. Sashi 4x + 150
Step 3 Amitabh 8x + 300. Sashi 8x + 350
Step 4 Amitabh 16x + 700 Sashi 16x + 750
16x + 750 > 1000
And, x can be 16
7 is the sum
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