Professional PK

Friday 5 April 2019

April 05, 2019 Professional

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Choose the correct answer from the given options. Find answers and solution to the questions at the bottom of the page.

31. 8 is 5 percent of what number?
(A) 140
(B) 150
(C) 160
(D) 170

32. An article was sold for Rs.360 after a 25 percent discount. What was the actual price of the article in rupess?
(A) 470
(B) 480
(C) 490
(D) 500

33. The length of the sides of the parallelogram is given in centimeters. What is the area in cm² of the given parallelogram?

(A) 20
(B) 22
(C) 24
(D) 26

34. If $n$ books cost $r$ rupees. Then how much will $m$ books cost?
(A) $mr$
(B) $nr$
(C) $\frac{nr}{m}$
(D) $\frac{mr}{n}$

35. If the ratio of two numbers is 8:3, and their difference is 25. Then what are the two numbers?
(A) 15 and 40
(B) 17 and 42
(C) 20 and 45
(D) 22 and 47

ANSWERS: NTS SAMPLE PAPER (QUANTITATIVE)
31(C) 32(B) 33(C) 34(D) 35(A)

SOLUTIONS: NTS SAMPLE PAPER (QUANTITATIVE)

31. (C) First convert from English to Mathematics

32. (B) The article was sold after 25% discount. Hence, the given price Rs.360 is 75% of the actual price. So,

33. (C) We can calculate the height of the parallelogram (the dotted line) by using Pythagoras formula, (Hypotenuses)² = (Perpendicular)² + (Base)²
5² = (Height)² + 3² ∵Perpendicular of Triangle = Height of Parallelogram
(Height)² = 16
Height = 4

Now, Area of Parallelogram = base × height
= 3×4
= 12 cm²

34. (D)
$n$ books → $r$ rupees
$m$ books → $x$ rupees
By cross multiplication, we have
$nx=mr$
$x=\frac{mr}{n}$

35. (A) Let $n$ be the common factor. So,
$8n-3n = 25$ ⇒ $5n=25$ ⇒ $n=5$ . Hence,
$8n=8(5)=40$ and $3n=3(5)=15$ . Thus, the two numbers are: 40 and 15.

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April 05, 2019 Professional

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Choose the correct answer from the given options. Find answers and solution to the questions at the bottom of the page.

26. Consider the following equation. Solve for $x$ :

$\frac{x}{2}+3=x-y$

(A) $x=y+2$
(B) $x=y+4$
(C) $x=2y+4$
(D) $x=2y+6$

27. The straight line $2x+3y+4=0$ touches the $x-axis$ at?
(A) $x=-2$
(B) (A) $x=2$
(C) $x=-1$
(D) $x=1$

28. What is the value of $x$ in the following diagram?

(A) 5
(B) 6
(C) 7
(D) 8

29. What is the volume of a right-circular cylinder in cm³ whose radius is 2 cm, and height is 14 cm?
(A) 176
(B) 184
(C) 192
(D) 200

30. What is sum of the first 10 terms of the sequence: 1, 2, 4, 8, 16, … ?
(A) 1017
(B) 1020
(C) 1023
(D) 1026

ANSWERS: GAT SAMPLE PAPER (QUANTITATIVE)
26(D) 27(A) 28(B) 29(A) 30(C)

SOLUTIONS: GAT SAMPLE PAPER (QUANTITATIVE)

26. (D)

27. (A) The line touches the $x-axis$ when $y=0$ . Hence,

28. (B) This is right-triangle. So, by using Pythagoras theorem, we have

29. (A) By using formula for calculating volume of the right-circular cylinder, we have

30. (C) This is a geometric sequence with common ratio 2 and the first term is 1. By using formula for calculating sum of the n terms of a geometric sequence, we have

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April 05, 2019 Professional

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Read the following paragraphs carefully. Choose the correct answer from the options given below:

These huge waves wreak terrific damage when they crash on the shores of distant lands or continents. Under a perfectly sunny sky and from an apparently calm sea, a wall of water may break twenty or thirty feet high over beaches and waterfronts, crushing houses and drowning unsuspecting residents and bathers in its path.

How are these waves formed? When a submarine earthquake occurs, it is likely to set up a tremendous amount of shock, disturbing the quite waters of the deep ocean. This disturbance travels to the surface and forms a huge swell in the ocean many miles across. It rolls outward in all directions, and the water lowers in the centre as another as another swell looms up. Thus a series of concentric swells are formed similar to those made when a coin or small pebble is dropped into a basin of water. The big difference is in the size. Each of the concentric rings of basin water traveling out toward the edge is only about an inch across and less than a quarter of an inch high. The swells in the ocean are sometimes nearly a mile wide and rise to several multiple of ten feet in height.

Many of us have heard about these waves, called “tsunami”. Nothing was done about tsunamis until after World War II. An underwater earthquake in the Aleutian Islands could start a swell that would break along the shores and cause severe damage. These waves travel hundreds of miles an hour, and one can understand how they would crash!

21. One surprising aspect of the waves discussed in the passage is the fact that they
(A) are formed in concentric patterns
(B) often strike during clear weather
(C) arise under conditions of cold temperature
(D) are produced by deep swells

22. It is believed that the waves are caused by
(A) seismic changes
(B) concentric time belts
(C) underwater earthquakes
(D) storms

23. The normal maximum width of the waves is approximately
(A) one mile
(B) five miles
(C) five feet
(D) ten feet

24. Nothing was done about the waves until
(A) deaths occurred
(B) a solution was found
(C) millions of dollars worth of damage was incurred
(D) the outbreak of World War II

25. The movement of the waves has been measured at a speed of
(A) 1 mile an hour
(B) 50 miles an hour
(C) 100 miles an hour
(D) more than a hundred miles an hour

ANSWERS: SAMPLE PAPER NTS TEST
21. B
22. C
23. A
24. D
25. D

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April 05, 2019 Professional

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Fill in the blanks with suitable answer from the given options.

16. If I __________ money, I would purchase it now.
(A) has
(B) have
(C) had
(D) have had

17. She is looking for an accommodation __________ in flat or shared house.
(A) both
(B) until
(C) neither
(D) either

18. Liquefied Natural Gas (LNG) burns less efficiently than gasoline
(A) burn
(B) burns
(C) should burn
(D) would burn

19. Maryam, accompanied by her brother, __________ at the party.
(A) is
(B) are
(C) was
(D) were

20. The newly imposed rules sound very __________.
(A) interesting
(B) interestingly
(C) interested
(D) interest

ANSWERS: NTS ENGLISH SAMPLE PAPER
16. C
17. D
18. B
19. C
20. A

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April 05, 2019 Professional

Choose the pair of words that best expresses a relationship similar to that expressed in the pairs of words in capital. (Find answers and explanation to the answers at the bottom of the page.)

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11. ISLAND : ARCHIPELAGO
(A) apple : tree
(B) bat: cricket
(C) class : school
(D) walk : run

12. SEISMOGRAPH : EARTHQUAKE
(A) water : tsunami
(B) thermometer : temperature
(C) geography : land
(D) city : country

13. CAREFUL : PUNCTILIOUS
(A) lukewarm : boiling
(B) lazy : laziness
(C) expert : time
(D) external : internal

Fill in the blanks with suitable answer from the given options.

14. Kindly ask her to play the piano, she is a __________ pianist.
(A) voracious
(B) vacuous
(C) volatile
(D) virtuoso

15. He was __________ from all charges leveled against him.
(A) liberated
(B) exonerated
(C) apprehended
(D) judged

ANSWERS: NTS VERBAL SAMPLE PAPER
11(C) 12(B) 13(A) 14(D) 15(B)

EXPLANATION: NTS VERBAL SAMPLE PAPER

11. (C) an archipelago is made up of islands, as a school is made up of classes.
12. (B) seismograph is an instrument used to measure earthquake, as thermometer is an instrument used to measure temperature.
13. (A) Punctilious  means extremely careful. So, punctilious is the higher degree of careful, as boiling is the higher degree of lukewarm .
14. (D) Virtuoso  means highly skilled.
15. (B) Exonerated  means to free from blame.

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April 05, 2019 Professional

Choose from the following, the answer that is opposite in meaning to the main word (Written in Capital letters). (Find answers and explanation to the answers at the bottom of the page.)

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6. CUPIDITY
(A) stupidity
(B) rudeness
(C) largess
(D) laziness

7. URBANE
(A) wise
(B) unwise
(C) polite
(D) arrogant

8. EXTRANEOUS
(A) relevant
(B) irrelevant
(C) extra
(D) external

9. DICEY
(A) safe
(B) risky
(C) kind
(D) zero

10. JUDAS
(A) boring
(B) joyful
(C) traitor
(D) faithful

ANSWERS: NTS SAMPLE PAPER
6(C) 7(B) 8(A) 9(A) 10(D)

EXPLANATION: NTS SAMPLE PAPER

6. (C) Cupidity  means greed (a strong desire for more wealth, property etc.). And, Largess  means generous in giving money. Hence, largess is the opposite to cupidity.
7. (B) Urbane  means wise, hence unwise is the opposite.
8. (A) Extraneous  means irrelevant, hence relevant is the opposite.
9. (A) Dicey  means risky, hence safe is the opposite.
10. (D) Judas  means traitor, hence faithful is the opposite.