Quantitative Aptitude

Directions (1-5): In the following series find the term which is placed incorrectly.

Q1.   0,     4,     19,     48,     100,     180,     294 

(a) 19

(b) 100

(c) 294

(d) 48

(e) 180

Q2.   1,  1,     2,     7,     34,     202,     1420

(a) 7

(b) 34

(c) 202

(d) 2

(e) 1420

Q3.   823,     734,     645,     556,     476,     378,     289

(a) 476

(b) 556

(c) 289

(d) 645

(e) 734

Q4.   1,     4,     11,     34,     102,     304,     911

(a) 11

(b) 911

(c) 102

(d) 34

(e) 304

Q5.   5,     8,     20,     42,     124,     246,     736

(a) 20

(b) 124

(c) 8

(d) 42

(e) 736

Solutions (1-5):

Q6. Two friends A and B jointly lent out Rs 81,600 at 4% per annum C.I. after 2 years, A gets the same amount as B gets after 3 years. The investment made by B was

(a) Rs 40000

(b) Rs 30000

(c) Rs 45000

(d) Rs 38000

(e) None of these

Q7. Raman scored 456 marks in an exam and Sita got 54 percent marks in the same exam which is 24 marks less than Raman. If the minimum passing marks in the exam is 34 percent, then how much more marks did Raman score more than the minimum passing marks?

(a) 184

(b) 196

(c) 190

(d) 180

(e) None of these

Q8. An HR company employs 4800 people, out of which 45 percent are males and 60 percent of the males are either 25 years or older. How many males are employed in HR company who are younger than 25 years?

(a) 2480

(b) 2320

(c) 1278

(d) 864

(e) None of these

Q9. The simple interest (p.a.) accrued on an amount of Rs 17,000 at the end of four years is Rs 6,800. What would be the compound interest (compounded annually) accrued on the same amount at the same rate after two years?

(a) Cannot be determined

(b) Other than those given as option

(c) Rs 3570

(d) Rs 3260

(e) Rs 3980

Q10. Amit borrowed a certain sum of money for 2 years at 8% per annum on simple interest and immediately lent it to Ravi but at compound interest and gained by Rs 16. What amount did Amit borrow?

(a) Rs 1600

(b) Rs 2500

(c) RS 2400

(d) Rs 1800

(e) None of these

Solutions (6-10):

Q11. A man can row 30 km uptream and 44 km downstream in 10 hrs. Also, he can row 40 km upstream and 55 km downstream in 13 hrs. find the rate of the current and the speed of the man in still water. 

(a) 3 km/hr, 8 km/hr

(b) 3 km/hr, 7  km/hr

(c) 4 km/hr, 6 km/hr

(d) 8 km/hr,3km/hr

(e) None of these

Q12. A boat travels upstream from B to A and downstream from A to B in 3 hrs. If the speed of the boat in still water is 9 km/hr and the speed of the current is 3 km/hr, the distance between A and B is 

(a) 8 km

(b) 16 km

(c) 12 km

(d) cannot be determined 

(e) None of these

Q13. A man can row 6 km/hr in still water. If the speed of the current is 2 km/hr, its takes 3 hrs more in upstream than in the downstream for the same distance. The distance is 

(a) 30 km

(b) 24 km

(c) 20 km

(d) 32 km

(e) None of these

Q14. A man can row 5 km/hr in still water. If the river is running at 1 km/hr, it takes him 75 min to row to a place and back. How far is the place?

(a) 2.5 km

(b) 3 km

(c) 4 km

(d) 5 km

(e) None of these

Q15. A motorboat can travel at 10 km/hr in still water. It travelled 91 km downstream in a river and then returned, taking altogether 20 hrs. Find the rate of the flow of the river 

(a) 6 km/hr

(b) 5 km/hr

(c) 8 km/hr

(d) 3 km/hr

(e) None of these

Solutions (11-15):

Quantitative Aptitude

Q1. A square and an equilateral triangle have the same perimeter. If the diagonal of the square is 12√2 cm, then the area of the triangle is: 

(a) 64√2cm square

(b) 16√3cm square

(c) 64√3cm square

(d) 62√3cm square

(e) None of these

Q2. The average temperature from Monday to Thursday is 48°C and from Tuesday to Friday is 52°C. If the temperature on Monday is 42°C, what was it on Friday? 

(a) 55°C

(b) 52°C

(c) 58°C

(d) 51°C

(e) None of these

Q3. A person bought two tables for Rs. 2200. He sells one at 5% loss and the other at 6% profit and thus, on the whole, he neither gains nor loses. Find the cost price of each table. 

(a) Rs. 1500,  Rs. 700 

(b) Rs. 2000, Rs. 200 

(c) Rs. 1200, Rs. 1000 

(d) Rs. 1100, Rs. 1100 

(e) None of these

Q4. The average age of 24 students and the class teacher is 16 years. If the class teacher’s age is excluded, the average reduces by one year. What is the age of the class teacher?

(a) 50 years

(b) 45 years

(c) 40 years

(d) Data inadequate

(e) None of these

Q5. The number of ways in which a committee of 5 can be chosen from 10 candidates so as to exclude the youngest if it includes the oldest is: 

(a) 178

(b) 196

(c) 292

(d) 268

(e) None of these

Solutions (1-5):

Directions (6-10): What should come in place of the question mark (?) in following number series problems?

Q6. 170,120,50,24,10,?

(a) 2

(b) 4

(c) 0

(d) 3

(e) 1

Q7. 829,918,839,908,849,?

(a) 879

(b) 898

(c) 889

(d) 890

(e) 892

Q8. 77,81,95,125,177,?

(a) 279

(b) 288

(c) 257

(d) 207

(e) 238

Q9. 11,14,33,28,99,?,297,112

(a) 64

(b) 62

(c) 52

(d) 65

(e) 56

Q10. 980,  484,   236,  112,   50,  ?,   3.5

(a) 18

(b) 21

(c) 19

(d) 7

(e) 27

Solutions (6-10):

Directions (11-15): What will come in place of question mark (?) in the following questions?

Q11. 8743 + 486 ÷ 18 × 148 = ?

(a) 13729

(b) 12739

(c) 12729

(d) 13279

(e) None of these

Q12. 6348 + 8515 – 695 - ? = 4312 + 2162

(a) 7394

(b) 7943

(c) 7439

(d) 7434

(e) 7694

Q13. 18.6 × 3 + 7.2 – 16.5 = ? + 21.7

(a) 35.7

(b) 21.6

(c) 24.8

(d) 27.6

(e) None of these

Q14. 56% of 225 + 20% of 150 = ? – 109

(a) 149

(b) 103

(c) 253

(d) 247

(e) None of these

Q15. 80% of 650 – 25 % of ? = 60% of 440

(a) 1210

(b) 1024

(c) 1035

(d) 1004

(e) None of these

Solutions (11-15):

Quantitative Aptitude

Directions (1-5): Study the following pie chart and answer the following questions. 
Total number of Employees = 12600

Q1. The number of employees in the department of Examination is approximately what per cent more than the number of employees in Research department? 
(a) 39%
(b) 40%
(c) 25%
(d) 35%
(e) 50%

Q2. If 66(2/3)% per cent of the number of employees of HR department is females, then what is the number of male employees in the HR department? 
(a) 462
(b) 926
(c) 420
(d) 452
(e) None of these

Q3. The number of employees in Admission department is approximately what percentage of the total number of employees in the department of Examination and Academic Affairs together? 
(a) 28.75%
(b) 45.75%
(c) 29.23%
(d) 23.55%
(e) 18.75%

Q4. What is the average number of employees in Admission, Academic and Research department together?
(a) 1742
(b) 1842
(c) 2042
(d) 2142
(e) None of these

Q5. What is the difference between the total number of employees in the department of HR and Research together and the total number of employees in Accounts and Examination department together? 
(a) 1521
(b) 1512
(c) 1614
(d) 1529
(e) None of these

Directions (6-10): What should come in place of question mark (?) in the following number series?


Q6. 541, 269, 133, 65, ?, 14
(a) 31
(b) 33
(c) 36
(d) 35
(e) None of these

Q7. 705, 728, 774, 843, 935, 1050, ?
(a) 1190
(b) 1180
(c) 1185
(d) 1187
(e) None of these

Q8. 60.5, 72, 84.5, 98, 112.5, ?
(a) 125
(b) 122
(c) 126
(d) 127
(e) None of these

Q9. 16, 37, 62, 96, 146, ?
(a) 229
(b) 217
(c) 221
(d) 213
(e) None of these

Q10. 13, 10, 4, –5, –17, ?
(a) –34
(b) –32
(c) –22
(d) 34
(e) None of these

Directions (11-15): What should come in place of question mark (?) in the following given questions(just calculate the approximate value)?

Q11. 52.02% of 749 + 45% of 419.98 – ? = 15²
(a)  354
(b)  364
(c)  370
(d)  368
(e) 394

Q12. 246.01 + 2953.98 – 449.98 – 302 = ?
(a) 2020
(b) 2800
(c) 2450
(d) 3000
(e) 3050

Q13. ? + 30.01% of 651 ÷ 25.05% of 59.98 = 135
(a) 68
(b) 140
(c) 122
(d) 78
(e) 128.5

Q14. 1549.95 - 7.99 × 25.03– ?² = 1153.95
(a) 14
(b) 24
(c) 32
(d) 18
(e) 8

Q15. 499.99 + 1999 ÷ 39.99 × 50.01 =? 
(a) 3200
(b)2700
(c) 3000
(d) 2500
(e) 2400

Quantitative Aptitude

Direction(1-5)- Study the following table and answer the questions accordingly
Table shows production of mobile phone in different companies in different years (in thousand).

Q1. Which mobile phone company witnessed lowest growth rate in production from 2006 to 2012?
(a) Nokia
(b) Samsung
(c) Lenovo
(d) Moto
(e) None of these

Q2. Total phones produced by MI in 2007 is what percent of total phones produced by Nokia over all years? (approximately)
(a) 12%
(b) 9%
(c) 15%
(d) 18%
(e) 22%

Q3. What is the ratio of total production of company MI to the total production of Company Lenovo in all the years together?
(a) 83 : 55
(b) 55 : 83
(c) 89  : 53
(d) 53 :89
(e) None of these

Q4. Total phones produced by Nokia and Moto in 2012 isapproximately  what percent more or less than the phones produced by Nokia and MI in 2007?
(a) 10%
(b) 27%
(c) 18%
(d) 13%
(e) 23%

Q5. Which mobile phone company witnessed the maximum growth rate in production from 2006 to 2010?
(a) Moto
(b) MI
(c) Samsung
(d) Nokia
(e) None of these

Directions (6-10): What should come in place of question mark (?) in the following given questions(just calculate the approximate value) ?

Q6. 0.052 ÷ 0.001 × 59.989 = 29% of 399.98
(a) 46
(b) 26
(c) 16
(d) 56
(e) 52

Q7. 29.97% of 781 + 43% of 801 = 528 + ?
(a) 100
(b) 30
(c) 70
(d) 80
(e) 50

Q8. (77.987% of 358)+(68.55% of 729)= ?
(a) 780
(b) 705
(c) 840
(d) 825
(e) 695

S8. Ans.(a)

Sol. ≈ 280 +500

≈ 780

(a) 4680

(b) 4620

(c) 4640

(d) 4540

(e) 4340

(a) 200

(b) 400

(c) 300

(d) 100

(e) 150

Direction(11-15) In each of the following questions two equations are given, solve these equations and give answer.

(a). if x ≥ y 

(b). if x> y

(c). if x ≤ y

(d). if x<y

(e). if x = y or no relation can be established between x and y