What is the tenths digit of the number d when it is written as a decimal?

(1) d=~$54 \over 25$~

(2) 1,000d = 2,160

Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

EACH statement ALONE is sufficient.

Statements (1) and (2) TOGETHER are NOT sufficient.

##### 考题讲解

1.d=~$\frac{54}{25}=2.16$~   ,其十分位数为小数点右边第一位，是1，满足要求。

2. 1000d=2160，d=2.16，同条件1，十分位数为1，满足要求