The distance from town A to town B is five miles. C is six miles from B. Which of the following could be the distance from A to C if ABC are on a straight line?
Town C could be on either right or left of town B. Which means it could be 1 mile or 11 distance from A
What is the average of all prime numbers between 20 and 40?
The prime numbers between 20 and 40 are 23, 29, 31 and 37 So average = Sum (23,29,31,37) / 4 = 30
A cubical block of metal weighs 6 pounds. How much will another cube of the same metal weigh if its sides are twice as long?
Since the new cube has the dimensions twice that the original cube hence the answer would be double of original weight i.e 12