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):