In the organization of israel for their march from sinai, the inner encampment consisted of the tribe of judah simeon levi reuben

The correct answer is Levi.  

During the organization of Israel for their march from Sinai, the tribe of Levi was set apart to attend, guard and transport everything pertaining to the Tabernacle from camp to camp.

This required that these sons of Levi, and their families, the Gershonites (7,500 men); the Kohathites, (8,600 men) and the Merarites, (6,200 men) be located around and close to the Tabernacle.

the correct answer is d. the monetary reserve is a set of funds represented in currency, money or similar, saved as a forecast of possible needs or for legal reasons.

the increase or decrease in the monetary base influences in the increase or decrease of the inflation rate. therefore, the excess of monetary reserve will cause the reduction of inflation.