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From the consecutive integers -10 to 10, inclusive, 20 integers are randomly chosen with repetitions allowed. What is the least possible value of the product of the 20 integers? A) (-10)^20 B) (-10)^10 C) 0 D) -(10)^19 E) -(10)^20 Answer: E Choose nineteen -10's and one 10 So, the product = [(-10)^...
- by Anitochka
Mon Aug 21, 2017 10:07 am- Forum: Problem Solving
- Topic: Consecutive integers
- Replies: 5
- Views: 1574
- by Anitochka
Mon Aug 21, 2017 8:17 am- Forum: Data Sufficiency
- Topic: 2017 OG 356
- Replies: 2
- Views: 2027
Consecutive integers
From the consecutive integers -10 to 10, inclusive, 20 integers are randomly chosen with repetitions allowed. What is the least possible value of the product of the 20 integers?
A) (-10)^20
B) (-10)^10
C) 0
D) -(10)^19
E) -(10)^20
Answer: E
- by Anitochka
Mon Aug 21, 2017 8:12 am- Forum: Problem Solving
- Topic: Consecutive integers
- Replies: 5
- Views: 1574
Three-digits (OG)
If x,y, and z are three-digit positive integers and if x=y+z, is the hundreds digit of x equal to the sum of the hundreds digits of y and z? 1) The tens digit of x is equal to the sum of the tens digits of y and z. 2) The units digit of x is equal to the sum of the units digits of y and z. Answer: A
- by Anitochka
Sat Aug 12, 2017 6:26 am- Forum: Data Sufficiency
- Topic: Three-digits (OG)
- Replies: 2
- Views: 4971