Quantitative Aptitude for IDBI Executive Exam 2018: 6th April 2018

Q3. What is the average no. of voters in Lucknow, Allahabad and Jhansi together? If voters from Jhansi makes central angle of 120.
(a) 1,24,000
(b) 1,41,000
(c) 1,14,000
(d) 2,14,000
(e) 1,12,400

Q4. No. of voters in Gorakhpur and Meerut together is what percent more or less than the number of voters in Kanpur and Jhansi together? If population ratio of Jhansi, Kanpur and Meerut is 4 : 20 : 9.
(a) 4%
(b) 3%
(c) 2%
(d) 1%
(e) 0%

Q5. If 40% voters of Allahabad are in the age group of (20–30) years and 25% are in the age group of (31–40) years and the ratio of voters of age group of above 40 years and below 20 years is 4 : 3, then what is the total no. of voters who are below 20 years in Allahabad? If Jhansi makes central angle of 120.   
(a) 24,850
(b) 23,850
(c) 22,850
(d) 25,830
(e) 24,420

Directions (Q.6-10): In each of these questions, two equation (I) and (II) are given. You have to solve both the equations and give answer 

Q11. A person covers a distance of 100 km in 10 hours partly by walking at 7 kmph and the rest by running at 12 kmph. Find the distance covered in each part. 
(a) 72 km, 28 km
(b) 50 km, 50 km
(c) 28 km, 72 km
(d) 32 km, 68 km
(e) None of these

Q12. If the price of three types of rice are Rs. 480, Rs. 576 and Rs. 696 per quintal, then find the ratio in which these types of rice should be mixed, so that the resultant mixture cost Rs. 564 per quintal? 
(a) 22 : 11 : 9
(b) 28 : 14 : 7
(c) 14 : 7 : 21
(d) 12 : 7 : 7
(e) None of these

Q13. If the ages of A and C are added to twice the age of B, the total becomes 59. If the ages of B and C are added to thrice the age of A, the total becomes 68. And if the age of A is added to thrice the age of B and thrice the age of C, the total becomes 108. What is the age of A? 
(a) 17 years
(b) 19 years
(c) 11 years
(d) 12 years
(e) 24 years

Q14. A round table conference is to be held between 20 delegates of 2 countries. In how many ways can they be seated if two particular delegates never seat together. 
(a) 15(18)!
(b) 17(18)!
(c) 18(19)!
(d) 20(19)!
(e) None of these

Q15. 3 unbiased coins are tossed. Find the probability of getting exactly two ‘Heads’. 
(a) 1/8
(b) 1/4
(c) 3/8
(d) 1/2
(e) 5/8