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Question 1:
Square of 12.5 will lie between _____________.
	169 and 225		14 and 16
	144 and 169		125 and 140

Question 2:
Square root of 420 will lie between __________.
	20 and 21		21 and 22
	19 and 20		40 and 42

Question 3:
Simplify    √1125
	15 × √5		9 × √5
	25 × √5		5 × √5

Question 4:
A submarine periscope can see distance d (in miles) if the height of the periscope from the water surface is h (in feet). The relationship between d and h is d = 1.4 √h . Calculate the distance a sailor can see if he lifts the periscope 16 feet above the water?
	3.2 miles		22.4 miles
	4 miles		5.6 miles

Question 5:
Velocity v (in meter/sec) of a free falling object after travelling the distance d (in meter) is defined as    v = √64 × d . What will be the speed of an object that has travelled 100 meter after being dropped?
	16 meter/sec		8 meter/sec
	80 meter/sec		64 meter/sec

Question 6:
Calculate the value of √3 × 3 × 5 × 5 × 5 × 5 .
	250		150
	75		125

Question 7:
What is the value of √3 × 7 × √3 × 5 × √5 × 7.
	10605		105
	147		49

Question 8:
One person can dig a 2m × 2m × 2m hole in one hour. How long will he take to dig a 6m × 6m × 6m hole?
	12 hours		32 hours
	36 hours		27 hours

Question 9:
Cost of constructing marble floor is $25 per square feet. How much will it cost to lay marble on a square surface with 12 feet sides?
	$300		$6,250
	$3,600		$2,500

Question 10:
The total cost of polishing a square surface is $101,430. Cost per sq feet is $230. What is the length and width of the square surface?
	20 feet		21 feet
	23 feet		11 feet