The value of x in the following equation is:

6(3 - x) + 2 (3− x) = 0

When x = 5, the value of x(x-1)(x-2)(x-3)(x-4) is

John and Smith had 1800 dollars.

John had three times as many as Smith had.

How many dollars did Smith have?

If 70 workers complete a work in 14 days. 

Find the number of days required to complete the same by 10 workers. 

In a mineral water bottle factory, 6 identical machines can produce 900 bottles per minute. At this rate, how many bottles could 10 such machines produce in 5 minutes?

A 45 cm long piece of timber is cut into two parts A and B.

Part A is twice as long as Part B

What is the length of Part B?

Karen had 3 times as many pencils as Sharon. After throwing away 10 pencils, Karen had Twice as many as Sharon. How many ribbons did they have all together originally?

Sarah spent 480 dollars to purchase 5kg of apples and 2kg of mangoes. 

Find the price of 1kg of apples if the rate of apples is double the rate of mangoes.

Mary, Peter, and Lucy were picking chestnuts.

Mary picked twice as many chestnuts as Peter. Lucy picked 2 kg more than Peter.

Together the three of them picked 26 kg of chestnuts.

How many kilograms did Lucy pick?