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Question 1
Square of 12.5 will lie between _____________.
A. 169 and 225B. 14 and 16
C. 144 and 169D. 125 and 140
Question 2
Square root of 420 will lie between __________.
A. 20 and 21B. 21 and 22
C. 19 and 20D. 40 and 42
Question 3
Simplify    √1125
A. 15 × √5B. 9 × √5
C. 25 × √5D. 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?
A. 3.2 milesB. 22.4 miles
C. 4 milesD. 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?
A. 16 meter/secB. 8 meter/sec
C. 80 meter/secD. 64 meter/sec
Question 6
Calculate the value of

3 × 3 × 5 × 5 × 5 × 5 .
A. 250B. 150
C. 75D. 125
Question 7
What is the value of

3 × 7 × √3 × 5 × √5 × 7.
A. 10605B. 105
C. 147D. 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?
A. 12 hoursB. 32 hours
C. 36 hoursD. 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?
A. $300B. $6,250
C. $3,600D. $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?
A. 20 feetB. 21 feet
C. 23 feetD. 11 feet
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