Monday, 12 June 2017

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

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

(c) Rs. 1125

(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

(c) 15 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

(c) 9 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

(c) 200 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

(c) Rs 1101.50

(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

(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

Directions (Q.11-15): Find out wrong number in following number series: