NTS Police Test Preparation Material

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11. If 20% of a number is 15. What is the number?
(A) 60
(B) 65
(C) 70
(D) 75

12. After 25% discount, the price of an item is $150. What was the actual price?
(A) $160
(B) $180
(C) $200
(D) $220

13. In a class, the ratio of boys to girls students is 3:2. If total number of students in the class is 55. How many girls are there in the class?
(A) 20
(B) 22
(C) 24
(D) 26

14. What is $x$ in the equation: $4x-3=2x+5$
(A) 1
(B) 2
(C) 3
(D) 4

15. The ages of John, Emily and Katy are 12, 14 and 16 respectively. If the age of Mr. Brown is also added, the average of these four people’s ages is 20. What is Mr. Brown’s age?
(A) 38
(B) 39
(C) 40
(D) 41

ANSWERS: NTS POLICE TEST PREPARATION MATERIAL
11. (D) 75
12. (C) $200
13. (B) 22
14. (D) 4
15. (A) 38 (find solutions below)

SOLUTIONS: NTS POLICE TEST PREPARATION MATERIAL

11. (D) 75

12. (C) $200
After 25% discount, the price is 150. So, 75% of the price (x) is 150. Hence,

13. (B) 22

14. (D) 4

15. (A)
The average of four people’s age is 20 where Mr. Brown’s age is unknown. Therefore,