Quantitative Aptitude Questions for RBI Grade-B Phase-1 Exam

Dear Readers,

Q1. A dealer sold a radio at a loss of 2.5%. Had he sold it for Rs 100 more, he would have gained 7.5%. For what value should he sell it in order to gain 12.5%?

(a) Rs. 1120

(b) Rs. 1150

(d) Rs. 1225

(e) None of these

Q2. A man has whisky worth Rs. 22 a litre and another lot worth Rs 18 a litre. Equal quantities of these are mixed with water to obtain a mixture of 50 litres worth Rs 16 a litre. Find how much water the mixture contains?

(a) 5 litres

(b) 10 litres

(d) 20 litres

(e) None of these

Q3. A alone would take 27 hours more to complete the job than if both A and B would together. If B worked alone, he took 3 hours more to complete the job than A and B worked together. What time, would they take if both A and B worked together?

(a) 8 hours

(b) 10 hours

(d) 6 hours

(e) None of these

Q4. A train leaves the station 1 hour before the scheduled time. The driver decreases its speed by 50 km/hr. At the next station 300 km away, the train reached on time. Find the original speed of the train.

(a) 100 km/hr

(b) 150 km/hr

(d) 180 km/hr

(e) None of these

Q5. The dimensions of a room are 12.5 metres by 9 metres by 7 metres. There are 2 doors and 4 windows in the room; each door measures 2.5 metres by 1.2 metres and each window 1.5 metres by 1 metre. Find the cost of painting the walls at Rs 3.50 per square metre.

(a) Rs 1011.50

(b) RS 1050.50

(d) Can’t be determined

(e) None of these

Directions (Q.6-10): Two equations I and II are given below in each question. You have to solve these equations and give answer

(b) if x>y

(c) if x≤y

(d) if x≥y

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