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INTRO MOCK - 15 (Answer Key & Solutions)
ANSWER KEY
1
D
11
B
21
B
31
B
41
D
51
D
1.
2
B
12
C
22
D
32
C
42
C
52
C
3
D
13
D
23
D
33
C
43
A
53
D
4
B
14
C
24
A
34
D
44
C
54
C
5
B
15
B
25
B
35
D
45
B
55
B
6
C
16
C
26
D
36
A
46
A
56
D
7
C
17
A
27
B
37
B
47
C
57
B
8
D
18
C
28
D
38
D
48
C
58
B
9
B
19
A
29
D
39
A
49
D
59
C
10
C
20
B
30
D
40
B
50
C
60
B
SOLUTIONS
(D) “Infosys” was the first company to get listed
by NASDAQ in 1999 followed by ‘Sify’.
2.
(B) “Inspire the Next” is the slogan of “HITACHI”
meaning “breath life into”
3.
(D) TERRANO
4.
(B) G-20 summit 2015 to be held in “Turkey”
5.
(B) GOD’S OWN COUNTRY is the slogan of
“Kerala Tourism Corporation”
6.
(C) “CHARAN SINGH “ The 6th Prime Minister of
India wrote “Economic Nightmare of India”
7.
(C) SEBI – “Securities & Exchange Board Of India”
8.
(D) “Indian Overseas Bank” is a public sector
commercial bank
9.
(B) “BARACK HUSSEIN OBAMA” was the “Guest of
Honour” at Republic Day celebration of 2015 held
at New Delhi.
14. (C) OTCEI- Over The Counter Exchange Of India is
“An Indian Share Market”
15. (B)
Organization
UNO
WTO
ILO
FAO
Headquarter
GENEVA
GENEVA
GENEVA
CHICAGO
16. (C) “Zeal” , “Compete”
17. (A) “Temptation” , “Trap”
18. (C) Insurrection→”Uprising”
19. (A) Capitulate→ “Succumb” (lease to resist an
opponent)
20. (B) Indigent→ “Poor” (Needy)
10. (C) At 750 MW “Madhya Pradesh” has the largest
solar power plant
11. (B) “A. B. Thapa” is secretary general of SAARC
12. (C) As per Forbes-2014 “Mukesh Ambani” is the
richest resident Indian with $23.6 billion
13. (D) UNO has fixed target for Education for ALL till
the year “2015”
21. (B) Garrulous(excessive talking) → “wordy”,
(Antonym) Laconic→ Using few word
22. (D) Para 2 line 1, are likely to curtail over hiring,
“Curtailing Hiring”
23. (D) GUARDEDLY OPTIMISTIC , THE PASSAGE
TALKS ABOUT COST CUTTING MEASURE AND
CUSTAIBED HIRING, BUT IS OPTIMISTIC ON SKILL
BASED HIRING
24. (A) “Customary” means Known & common
things,
“Unprecedented” means ever known before
25. (B) As per Para 2, the speech of Siddiqui is talking
about recruiting as well as expansion. Hence the
relation is complementary.
26. (D) “Shortage in key skills” → Expansion plans &
Recruitment all 3 are discussed. In short , the
business performance is main concern
27. (B) Insipid means Lacking Flavor, Tasteless.
Its Antonym will be “Tasty”
Intro Mock -15 (Answer Key & Solutions)
Page 1
28. (D)
VIXEN : FOX
(FEMALE) (MALE)
Here the first word refers to Female and the
second word refers to Male. Hence option (D) is
the only one satisfying the condition
29. (D) The Girl put her hand into the money bag and
drew out a coin to give the beggar
30. (D) Applications are invited rom eligible
candidates for filling up two posts in the
department of Sales in the scale of pay as
admissible by the Companies’ Act
31. (B) Let 3 numbers :- 2n , 2n+2 , 2n+4 ,
3(2𝑛) − 2(2𝑛 + 4) = 2 + 2𝑛 − 8 = 2
2𝑛 = 10
𝑛 = 5
So, the numbers are:
10 , 12 , “14”
= 8!
𝑥+1
2𝑥−1
Option A.
Option B.
Option C.
2𝑓(𝑥)+1
𝑓(𝑥)+3
𝑓(𝑥)+1
𝑓(𝑥)−1
𝑓(𝑥)+1
Option B =
Option C =
=
=
=
=
=
= −𝑥
=
𝑥
1
+1
4
3
1
2
−1
3
1
3(3)+1
1
+1
3
10
1
= ≠ 𝑓(2𝑥)
2
= = −2 ≠ 𝑓(2𝑥)
6
3
4
2
= =
≠ 𝑓(2𝑥)
1
18
= −18
39. (A)
⇒
log3 9𝑥 +log9 81
log9 81
2𝑥+
=
As we can see, that no option on solving equals
to the value obtained as given in the question, we
can conclude that none of the given options is the
answer.
40. (B)
2
1
2
=
1
4
⇒
41. (D)
𝑥 log3 9+log9 81
log9 81
=
1
4
1
= ⇒ 4𝑥 + 1 = 1 ⇒ 𝑥 = 0
4
𝑇𝑜𝑡𝑎𝑙 𝑆𝑜𝑙𝑑 𝑡𝑜 𝐺𝑒𝑟𝑚𝑎𝑛𝑦×100
𝑇𝑜𝑡𝑎𝑙
208
1166
14
176
=
296×100
1166
= 25.38%
× 100 = 17.83%
42. (C) %increase =
Feb =
Page 2
=
37. (B) 1 , 3 , 5 , ……….2n-1
Let’s take n =3
So, the series becomes 1 + 3 + 5 = 9
Solving Using options:
Option A n=3
Option B 𝑛2 = 9
Option C 𝑛2 + 1 = 10
Option D 𝑛2 − 1 = 8
1
𝑥−1
+1)
2𝑥−2+𝑥+1
3𝑥−1
𝑥+1
𝑥−1
𝑥−1+3𝑥+3
4𝑥+2
(
+3)
𝑥+1
𝑥−1
+1
2𝑥
𝑥+1
𝑥−1
−2
−1
𝑥+1
𝑥−1
3(
)+1
3𝑥−3+𝑥+1
2𝑥−2
𝑥+1
𝑥−1
2𝑥
2𝑥
+1
𝑥+1
(2
1
+3
3
35. (D) 𝑋 ∶ 𝑌 ∶ 𝑍
(∵ the shares of Y is Rs. 300
Crore, so the share of X, Y and Z are)
2∶ 3∶ 4
38. (D) 𝑥 = −
=
3𝑓(𝑥)+1
Option A =
5
36. (A) log 4 64 + log 3 9 = log10 𝑥
log 4 43 + log 3 32 = log10 𝑥
= 3 + 2 = log10 𝑥
⇒ 𝑥 = 105
𝑥−1
 𝑓(2𝑥) =
2𝑥+1
Using the options
5
1
2(3)+1
200 : 300 : 400
33. (C) Let walking one side = 𝑋 ℎ𝑟𝑠
Riding on side = 𝑌 ℎ𝑟𝑠
According to the question
𝑋 + 𝑌 = 8 ….. (1)
𝑌 + 𝑌 = 6 …… (2)
𝑋 = 5
(Solving 1 and 2)
Time taken to walk both ways: 𝑋 + 𝑋 = 10 hr
34. (D) 𝑓(𝑥) =
3
⇒Total amount shared among X, Y & Z = (200 +
300 + 400) crore = 900 Crore
Amount Donated = Rs. 200 Crore.
Total worth of property = 900 + 200 crore
32. (C) Word given = E Q U A T I O N
Total number of unique letters = 8
Total number of variable words =
8 × 7 × 6 × 5× 4× 3× 2× 1
Alternatively:
Hint put 𝑥 = 2
1
3
𝑓(𝑥) =
⇒ 𝑓(2𝑥) =
× 100
Intro Mock -15 (Answer Key & Solutions)
𝑃𝑟𝑒𝑠𝑒𝑛𝑡 𝑠𝑎𝑙𝑒−𝑙𝑎𝑠𝑡 𝑚𝑜𝑛𝑡ℎ 𝑠𝑎𝑙𝑒
𝑙𝑎𝑠𝑡 𝑚𝑜𝑛𝑡ℎ 𝑠𝑎𝑙𝑒
× 100
March =
April =
May =
179−190
27
190
179
2
26
C → Purple cannot be the answer as it should
have a lower cup number than orange ball & here
it is 6th (highest possible number)
“D→ Yellow” ,
= −𝑣𝑒
× 100 (answer)
× 100
43. (A) Biggest importer in Feb =Germany
47
(
× 100 = 24.73%)
190
44. (C)
22+24+24+26
4
= 24
45. (B) let initial price = 100𝑎
10% increase = 100𝑎 × 1.16 = 116𝑎
20% increase = = (116𝑎) × 1.2 = 139.21𝑎
=> Net Increase = 139.21𝑎 − 100𝑎 = 39.21
50. (C) x=3 , y=2 , n=100
Step1.
x=6
y=3
Step 2.
x=18
y=4
Step 3.
x=72
y=5
Step 4.
x=360
y=5
51. (D) “X=36”
46. (A) Number of students studying maths = 50 + 13
+ 11 + 15 =89
89
Percentage of students studying maths →
×
500
100 = 17.8%
52. (C) “Y=6”
47. The arrangement of the cups can be made as:
54. (C)
Step 0
X=2
y=3
Step 1
x=6
y=4
Step 2
x=24
y=5
Step 3
x=120
y=6
Step 4
x=720
y=7
Green
1
2
3
4
5
6
Using the options:
Option A→ The green ball is not in cup 5. So
option A is not the answer.
Option B→ Note: the green ball here is in the 5th
cup from the right. But the cup containing the
purple ball is numbered greater than the cup
containing the orange ball.
Option D → The purple ball should have a lower
number than orange here it has purple the
number 6 and the orange ball cup has the
number 1.
So “Option C“ is the correct answer
48. (C)
1 2
3
53. (D)
Step 5 “X=2160” y=7
𝑀𝑎𝑔𝑒𝑛𝑡𝑎 𝐺𝑟𝑒𝑒𝑛
4
5
It can be noted that the least value of x needed
for the value of y to be 7 is 121 (because if in step
3, N = 120, The machine will stop there itself. In
order to run another operation N > 120.
So the next possible number = 121)
Hence N = 121
6
55. (B)
It is known that the red ball must be adjacent to
the Magenta ball. Since there is no space
available in the 5th place, so the Red ball is placed
in Cup 4.
49. (D) Solving Using options
A→ Green should be at 5
B→ Magenta cannot be the answer as cup 5 is
occupied Red ball needs to take adjacent place to
Magenta ball.
56. (D)
A→2 or (1+1)
B→2+3 or (1+4)
C→2+3+5 or (1+9)
D→2+3+5+7 or (1+16)
E →2+3+5+7+9 or (1+25)
Given Code = 5 82 325 17
It can be seen that since the last number of the
code is 17, so the last letter of the word will be D.
Intro Mock -15 (Answer Key & Solutions)
Page 3
This means that option (A) and option (B) can
never be the answer.
We are now left with options C & D
Following the above given pattern
N→ 14 letter of series
=197
R→ 18 letter of series
=325
So the matching word is BIRD
57. From the given code, it can be seen that E = 26 7
A=2
This means that options (C) and (D) can never be
the answer.
Now we are left with options (A) & (B)
Let’s check M only
M→ 13th letter of series = 132 + 1 = 170
Hence, Option B is the correct answer
58. (B) Distance taken to travel from A to E = A→ 𝐸 =
72
Distance taken to travel from A to D = 𝐴 → 𝐷 →
𝐸 = 32 + 48 = 80
Difference in Distances = 80-72=8km
59. (C) Distance taken from A to E via C =𝐴 → 𝐶 → 𝐸
= 58+22=80km
80
Time taken = = 2ℎ𝑟𝑠 , Option C
40
60. (B) Time taken to travel 𝐴 → 𝐵 → 𝐶 → 𝐸 → 𝐷=
5ℎ𝑟𝑠
Time taken to travel till E = 3 hrs
Time left to travel 𝐸 → 𝐷 → 𝐴= 2 hrs
Distance to be travelled = (48 + 32) kms = 80 kms
in 2ℎ𝑟𝑠
𝑖. 𝑒. 40𝑘𝑚/ℎ𝑟
Page 4
Intro Mock -15 (Answer Key & Solutions)