Dear Students,

Quantitative Aptitude Questions for RBI Assistant Mains 2017

Quantitative Aptitude is a very important section you must prepare if you are aiming for a job in Bank or Insurance sector. These two weeks are very important as IBPS Clerk and RBI Assistant Mains are lined up. So, these 15 questions can help you practice three very important topics of Quant Section.

Q1. A student obtained equal marks in Physics and Chemistry. The ratio of marks in Chemistry and Math is 2 : 3 and the ratio of marks in Physics and English is 1 : 2. If he has scored an aggregate of 55% marks. The maximum marks in each subject is same. In how many subjects did he score equal to or greater than 60% marks?
(a) 1
(b) 2
(c) 3
(d) 0
(e) none of these

Q2. The concentration of glucose in three different mixtures (glucose and alcohol) is     1/2  ,3/5  and  4/5  respectively. If 2 litres, 3 litres and 1 litre are taken from these three different vessels and mixed. What is the ratio of glucose and alcohol in the new mixture?
(a) 4 : 5
(b) 3 : 2
(c) 3 : 5
(d) 2 : 3
(e) none of these

Q3. 10 years ago the age of Krishna was 1/3 rd of the age of Banshi. 14 years hence the ratio of ages of Krishna and Banshi will be 5 : 9. Find the ratio of their present ages:
(a) 13 : 29
(b) 11 : 27
(c) 29 : 17
(d) 13 : 25
(e) none of these

Q4. A dog takes 22 leaps for every 17 leaps of cat and 22 leaps of a dog are equal to 17 leaps of the cat. What is the ratio of the speeds of dog and cat?
(a) 1 : 1
(b) 484 : 289
(c) 17 : 22
(d) 22 : 17
(e) none of these

Q5. Mohan Bhai sells chomchome (a favorite indian sweets) at Rs. 15 per kg. A chomchome is madeup of flour and sugar in the ratio of 5 : 3. The ratio of price of sugar and flour is 7 : 3 (per kg). Thus he earns 662/3 % profit. What is the cost price of sugar?
(a) Rs. 10/kg
(b) Rs. 9/kg
(c) Rs. 18/kg
(d) Rs. 14/kg
(e) none of these

Solutions (1-5):

Directions (Q.6-10): The following questions are accompanied by three statements A, B and C. You have to determine which statement(s) is/are necessary/sufficient to answer the question.

Q6. What is the cost price of a chair?
A. By selling the chair for Rs.400 instead of Rs. 250, loss per cent decreases by 15%.
B. When the cost price of the table increases by 15% and then decreases by 20%, it reduces by  Rs.20.
C. By selling the a table and  chair for Rs. 1800 a net profit of 25% is made.
(a) Only A or B alone
(b) Only B or C alone
(c) Only A and C together
(d) Any two of them together
(e) Either B alone or A and C together are sufficient

Q7. A bag contains flags made of only three different materials ie, paper, plastic and cloth. 3 flags are drawn randomly. What is the probability that the flags drawn are made of three different materials?
A. The no. of flags made from plastic is two more than the no. of flags made from paper .
B. The Sum of the no. of flags made from plastic and cloth is three times the no. of flags made from paper.
C. The ratio of the no. flags made from paper to that of flags made from cloth is 3 : 4.
(a) A and either B or C
(b) Any two of them
(c) Only A and C together
(d) Question can't be answered even after using all the information
(e) All statements are required

Q8. A man takes 2 hours to swim from point A to B in still water. To find out speed upstream, which of the following information is/are required?
A. Distance between point A and B.
B. Time taken to travel downstream from B to A.
C. Speed of the stream of water.
(a) Any two of them are sufficient
(b) Even with all these, the answer cannot be found
(c) Only A and B
(d) Only A and C
(e) None of these

Q9. What will be the average of five odd numbers?
A. The largest no. is greater than the smallest by 12.
B. The sum of the largest and smallest nos. is equal to twice the middle one.
C. The difference of the first two numbers is 16.
(a) Only A and C together
(b) Only B and C together
(c) Any two of them
(d) Question can't be answered even after using all the information
(e) All statements are required

Q10. Find the number of goats in a group of goats and peacocks.
A. The total no. of peacocks is 40.
B. In the group, the no. of legs are 28 more than twice the no. of heads.
C. If 6 rabbits be included in the group, the total no. rises to 60.
(a) B and C are sufficient
(b) B alone is sufficient
(c) A and C are sufficient
(d) A, B and C even together are not sufficient
(e) Either A and C together or B is sufficient

Solutions (6-10):

Directions (11-15): Find the wrong term which does not follow the pattern that other numbers follow in the following number series:

Q11.  2.5,     5,     12.5,     37.5,     131.25,     520
(a) 5
(b) 12.5
(c) 37.5
(d) 131.25
(e) 520

Q12.  5,     23,     43,     66,     94,     131
(a) 23
(b) 43
(c) 66
(d) 131
(e) 94

Q13.  4,     4,     7,     26,     183,     1790
(a) 4
(b) 7
(c) 1790
(d) 183
(e) 4

Q14.  12,     36,     6,     18,     3,     10,     1.5
(a) 10
(b) 36
(c) 18
(d) 36
(e) 1.5

Q15.  4.5,     3,     12,     25.5,     27,     40.5,     49.5,     48.5
(a) 48.5
(b) 12
(c) 25.5
(d) 27
(e) 49.5

Solutions (11-15):