Quantitative Aptitude Quiz For IBPS Clerk Prelims 2021- 16th October

Directions (1-5): What should come in place of question mark (?) in the following questions?

Q7. The HCF of two numbers is 15 and LCM of two number is 180. If one number is 45, then find the other number.
(a) 54
(b) 60
(c) 72
(d) 63
(e) 90

Q8. There are 15 persons lives in PG. If average monthly income of 8 persons is Rs 37000 and average monthly income of remaining persons is Rs 40000. Find the average monthly income of the group?
(a) Rs 37600
(b) Rs 38800
(c) Rs 38400
(d) Rs 36400
(e) Rs 37400

Q9. The ratio of spirit and water in two mixtures of 24 liters and 42 liters is 7 : 5 and 5 : 9 respectively. Both the mixtures are mixed together. Now the ratio of the spirit and water in the new mixture is
(a) 21 : 29
(b) 29 : 35
(c) 37 : 29
(d) 29 : 37
(e) 31 : 29

Q10. Volume of right circular cylinder is twice of the volume of sphere. Radius of the base of the cylinder is same as the radius of the sphere. If height of the cylinder is 8 cm, then find the total surface area of the cylinder.
(a) 64π cm²
(b) 66π cm²
(c) 78π cm²
(d) 72π cm²
(e) 63π cm²

Directions (11-15): What will come in the place of question Mark (?) in the following number series:

Q11. 432, 444, 460, 482, 508, ?
(a) 532
(b) 540
(c) 572
(d) 516
(e) 550

Q12. 112, 56, 224, 28, 448, ?
(a) 14
(b) 16
(c) 12
(d) 24
(e) 7

Q13. 18, 8, 30, 20, 42, ?
(a) 38
(b) 36
(c) 28
(d) 32
(e) 30

Q14. 8, 6, 8, 14, 30, ?
(a) 75
(b) 76
(c) 77
(d) 78
(e) 79

Q15. 200, 270, 360, 472, 608, ?
(a) 690
(b) 710
(c) 770
(d) 840
(e) 774

Solutions