10 Hard SAT Math Questions (Part - 44)

Question 1 :

If r = 0.345, s = (0.345)² and t = √0.345, which of the following is the correct ordering of r, s and t?

A)  r < s < t

B)  r < t < s

C)  s < t < r

D)  s < r < t

Answer :

Question 2 :

A)  3/2

B)  2/3

C)  15/7

D)  7/15

Answer :

Question 3 :

Volume of a cylinder is 6000π cm³. The radius is increased by 10% and the height is decresed by 20%. Which of the following is the volume of new cylinder?

A)  5808π cm³

B)  5832π cm³

C)  5280π cm³

D)  6480π cm³

Answer :

Question 4 :

If the function f is defined by f[(x – 1)/3] = x² + 1, which of the following equations gives the function f(x)?

A)  f(x) = 3x² + 2x + 1

B)  f(x) = 3x² + 2x + 2

C)  f(x) = 9x² + 6x + 1

D)  f(x) = 9x² + 6x + 2

Answer :

Question 5 :

A parabola with vertex (2, –3) has two x-intercepts.  Which of the following points must lie on the parabola?

A)  (0, –4)

B)  (3, –3)

C)  (7, –5)

D)  (–1, 15)

Answer :

Question 6 :

To prepare for class, Mr. Tom has to print a number of booklets with p pages per booklet. If every 5 pages cost c cents to print and he spent a total of d dollars, how many booklets did Mr. Tom print in terms of p, c and d?

A)  cp/500d

B)  100d/cp

C)  500d/cp

D)  5d/cp

Answer :

Question 7 :

In triangle ABC, the measure of angle C is 90° and the length of AB is 30. If cos(A) = 5/6. What is the length of AC?

Answer :

Question 8 :

When the price of a product was decreased in the ratio 6 : 5, the sale of number of units increased in the ratio 3 : 4. If the revenue before the above changes was $3600, determine the revenue after changes.

Answer :

Question 9 :

In ΔABC, ∠C is right angle and m∠A = 30°. If the area of ΔABC is 84.5 √3 square units, what is the length of hypotenuse?

Answer :

Question 10 :

The average salary of a group of unskilled workers is $10,000 and that of a group of skilled workers is $15,000. If the two groups are combined, the average salary is $12,000. What is the percentage of skilled workers?

A)  30%

B)  40%

C)  50%

D)  60%

Answer :

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10 Hard Digital SAT Math Questions (Part - 44)

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