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[WpProQuiz 7053]Directions (1 – 5): Find out the wrong number in the following number series.
1) 1333, 1731, 2201, 2749, 3378
a) 1333
b) 2201
c) 1731
d) 3378
e) 2749
2) 16, 40, 72, 106, 148, 196
a) 16
b) 72
c) 148
d) 106
e) 196
3) 7, 8, 18, 57, 232, 1160
a) 57
b) 232
c) 7
d) 1160
e) 18
4) 71, 80, 96, 121, 159, 206
a) 159
b) 96
c) 121
d) 80
e) 206
5) 321, 316, 324, 309, 329, 306
a) 324
b) 326
c) 303
d) 321
e) 309
Directions (6 – 10): Study the following information carefully and answer the questions given below.
Four students appeared in an examination having 200 questions. The table given below shows the percentage of questions answered out of the total number of questions by each of the four students. It also shows the ratio of the number of correct answers to the number of incorrect answers.
Note: For each correct answer the student is given mark and for every incorrect answer 0.25 marks are deducted. No marks are deducted for un – attempted questions.
6) Number of incorrect answers marked by Nikas is what percentage More/less than the number of incorrect answers marked by Akash?
a) 20% More
b) 30% More
c) 40% Less
d) 20% Less
e) None of these
7) What is the difference between the marks scored by Vikas and Akash?
a) 20
b) 30
c) 35
d) 15
e) 25
8) What is the ratio of correct answers marked by Amit to the wrong answers marked by Nikas?
a) 2: 15
b) 3: 16
c) 15: 2
d) 3: 2
e) 4: 5
9) Who scored the 2nd highest marks?
a) Amit
b) Nikas
c) Vikas
d) Akash and Amit
e) Akash
10) What is the score obtained by Amit?
a) 110.25
b) 120
c) 125.75
d) 107.50
e) 105.75
Answers :
Direction (1-5) :
1) Answer: d)
11³ + 2 = 1333
12³ + 3 = 1731
13³ + 4 = 2201
14³ + 5 = 2749
15³ + 6 = 3381
2) Answer: b)
16 + 24 = 40
40 + 30 = 70
70 + 36 = 106
106 + 42 = 148
148 + 48 = 196
3) Answer: d)
7 * 1 + 1 = 8
8 * 2 + 2 = 18
18 * 3 + 3 = 57
57 * 4 + 4 = 232
232 * 5 + 5 = 1165
4) Answer: a)
71 + 3² = 80
80 + 4² = 96
96 + 5² = 121
121 + 6² = 157
157 + 7² = 206
5) Answer: e)
321 – 5 = 316
316 + 8 = 324
324 – 12 = 312
309 + 17 = 329
329 – 23 = 306
Directions (6 – 10):
6) Answer: d)
Number of incorrect answers marked by Nikas = 16
the number of incorrect answers marked by Akash = 20
Required percentage = (20-16) / 20 * 100
= 20 % Less
7) Answer: a)
Marks scored by Vikas = 85
Marks scored by Akash = 105
Difference = 20
8) Answer: c)
Correct answers marked by Amit = 120
Wrong answers marked by Nikas = 16
Ratio = 120/16 = 15: 2
9) Answer: a)
Mark of,
Amit = 107.5
Akash = 105
Vikas = 85
Nikas = 120
Amit has 2nd highest mark.
10) Answer: d)
Amit’s score = 120 – (0.25 * 50) = 107.50
