Quantitative Aptitude Quiz For RBI Grade B Phase 1 2023 -12th February

Directions (1-5): Find the wrong number in the following number series.
Q1. 25, 73, 153, 273, 441, 665, 950
(a) 950
(b) 25
(c) 441
(d) 153
(e) 73

Q2. 400, 1200, 300, 1500, 250, 1745, 218.75
(a) 1500
(b) 218.75
(c) 1745
(d) 1200
(e) 250

Q3. 506, 626, 774, 962, 1202, 1506, 1890
(a) 506
(b) 626
(c) 962
(d) 1890
(e) 774

Q4. 16, 14, 18, 40, 164, 1316, 21060
(a) 16
(b) 21060
(c) 164
(d) 1316
(e) 14

Q5. 162, 177, 207, 250, 312, 387, 477
(a) 387
(b) 177
(c) 250
(d) 312
(e) 477
Q6. Ravi purchased 100 watches at the rate of Rs. 500 per watch. He incurred Rs. 3000 on transportation and in transportation 10 watches got damaged which he get repaired at the cost of Rs. 100 per watch. He marked the price as Rs. 600 but announced a discount of 10%. Find his profit/loss % in the entire transaction.
(a) 6 % profit
(b) 10% loss
(c) no profit no loss
(d) 2% profit
(e) None of these

Q7. there are 2 fighter jets A & B employed to bomb an area. The probability of their hitting the target is 0.2 and 0.4. jet B only hits if A fails its target. What is the probability that the target will be hit?
(a) 0.6
(b) 0.52
(c) 0.68
(d) 0.72
(e) 0.44

Q8. A boat covers 30 km in downstream in 5 hours while takes 20% more time in upstream to travel the same distance. On a particular day, the boat while travelling downstream found a ship 80m in length crosses (coming from opposite direction) the boat completely in 10 sec. find the speed of the ship. (in kmph)
(a) 75.38
(b) 87.48
(c) 80.28
(d) 83.88
(e) Cannot be determined

Q9. In a factory, there are 4 machines of efficiency in ratio 2:3:4:5. All machines are started to complete an order of 70 items in equal time. If the operational cost is proportional to their efficiency & cost of slowest machine is Rs. 10 per hour. Find the total operational cost (in Rs.).
(a) 380
(b) 330
(c) 280
(d) 200
(e) 350

Q10. Farhan, Salim and Shoaib entered into a partnership with Rs. 50000, 60000, 70000 respectively. Shoaib being dishonest marked only 90% profit and kept the rest 10%. After a year, when this was noticed, he was suspended and fined with 1.5 times his total profit which was equally distributed between Farhan & Salim. Find the ratio of total profit of Farhan to Salim at the end of a year if the actual profit was Rs. 54000.
(a) 443:483
(b) 5:6
(c) 11:12
(d) 41:45
(e) none of these

Directions (11-15): Calculate the approximate value of the given questions:
Q11. 307.89 + 671.93 – 39.87% of ? + 79.89% of 354.93 = (27.87)²
(a) 1200
(b) 1175
(c) 1350
(d) 1250
(e) 1280

Q15. 31.96 × 34.89 + √960.89 +18.98 % of ?=39.98 % of 3304.98
(a) 800
(b) 700
(c) 900
(d) 1000
(e) 1100

Solutions