**SHSAT Test Questions :**

Here we are going to see some practice worksheets for SHSAT exams. Each question paper consists of 20 question. For each questions, you can find solution with detailed explanation.

**Question 11 :**

Sara is stuck in a circular field. She knows that the area of the circular field is 100 square meters. She walks at a speed of 10 meter per minute. How long will it take her to walk from one end of the circular field to the other end assuming she must cross through the center ?

**Solution :**

Area of the circular field = 100 square meter

πr^{2 }= 100

r^{2 }= 100/π

r = √(100/π)

Diameter of the circular path = 2√(100/π)

Time = Distance / Speed

= 2√(100/π) / 10

= 0.2 √(100/π)

**Question 12 :**

The Fibonacci sequence involves taking two previous numbers and adding them together to get the next. If the first two Fibonacci numbers are 0 and 1, what is the mean of the first 5 Fibonnaci numbers?

**Solution :**

Required Fibonnaci sequence

0, 1, 1, 2, 3

Mean = (0 + 1 + 1 + 2 + 3)/5

= 7/5

**Question 13 :**

If 1 slack = x vaks

9 vaks = 12 hips

How many slack are in 24 hips?

**Solution :**

x vaks = 1 slack

1 vak = (1/x) slack ---(1)

9 vaks = 12 hips

1 vak = (12/9) hips

1 vak = (4/3) hips ----(2)

(1) = (2)

(1/x) slack = (4/3) hips

(3/x) slack = 4 hips

Multiply by 6 on both sides

(18/x) slack = 24 hips

**Question 14 :**

What is the value of 11^{2}/10^{2 }?

**Solution :**

11^{2} = 11 ⋅ 11 = 121

10^{2} = 10 ⋅ 10 = 100

11^{2}/10^{2} = 121/100

= 1.21

Hence the answer is 1.21

**Question 15 :**

(ab) = a + b - b^{2}, then what is the value of this expression when a = 5 and b = 2 ?

**Solution :**

(ab) = a + b - b^{2}

= 5 + 2 - 2^{2}

= 7 - 4

= 3

Hence the answer is 3.

**Question 16 :**

How many non positive integers are between -3 and 5 ?

**Solution :**

Non positive integers stands for negative integers

-3, -2, -1, 0, 1, 2, 3, 4, 5

The negative integers are -3, -2 and -1.

Hence we have 3 negative integers.

**Question 17 :**

A number is squared and added to its reciprocal. If that number is represented by x, what is the expression ?

**Solution :**

"x" be the required number

The sum of square of the number and its reciprocal

= x^{2} + (1/x)

**Question 18 :**

If I increase the size of a ball by 50% two times in a row, what is the percent increase assuming that the initial size of the ball was 20.

**Solution :**

Initial size = 20

50% of 20 = 10

New size of ball = 20 + 10 = 30

50% of 30 = 15

New size of ball = 30 + 15 = 45

Percentage of increase = (45 - 30)/30 ⋅ 100%

= (15/30) ⋅ 100%

= (1/2) ⋅ 100%

= 50%

**Question 19 :**

In the figure above, the rectangle ACDE has an area of 440 square meters. the points B and F area the midpoints of the sides AC and AE respectively. What is the area of the triangle BCD?

**Solution :**

Area of the given rectangle = 440 square meter

length ⋅ width = 440

(l/2) ⋅ width = 440/2

(l/2) ⋅ width = 220

BC ⋅ CD = 220

BC = base of the triangle and CD = height of the triangle

(1/2) BC ⋅ CD = (1/2) ⋅ 220

Area of the triangle = 110

Hence the answer is 110.

**Question 20 :**

The least common multiple of two numbers, x and y can be represented by LCM (x,y). The following is true for the concept of the least common multiple :

If we can find integers a and b both x and y respectively such that ax = by = LCM (x, y) then ax or by is the least common multiple of x and y.

What is the least common multiple of √2 ⋅ π ?

**Solution : **

Since √2 and π are both irrational, there are no integers, a and b that can satisfy the definition of LCM(x,y).

Hence the LCM does not exist.

(A) π √2 (B) 2√2π (C) 2π

(D) 2π^{2} (E) Does not exist

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