Quantitative Aptitude Quiz For Uttarakhand District Cooperative Banks Prelims
Directions (1-5): What will come in place of the question mark (?) in the following questions?
Q1. 46% of 450 + ?% of 20 = 400
Q2. (?)⁴ ÷ 27 = 243
(?)⁴ = (9)⁴
⇒ ? = 9
Q4. 0.03 × 0.01 – 0.003 ÷ 100 + 0.03 = ?
= 0.03027
Q5. 17 × 25 – 240 + ? ÷ 41 = 354
⇒ ? = 41 × 169
⇒ ? = 6929
Q6. In a town, the population was 8000. In one year, male population increased by 10% and female population increased by 8% but the total population increased by 9%. Initially the number of males in the town was:
Q7. A trader mixes three types of tea in the ratio 4 : 3 : 5 costing 15 rupees per kg., 20 rupees per kg. and 30 rupees per kg. respectively. He sells the mixture at 25 rupees per kg. Find his profit percentage
Q8. A train travels a distance of 192 km at an average speed of 80 km/h from station P to another station Q. It then travels back to P taking 5 hours 36 minutes. Find the average speed of the train during its journey from P to Q and Q to P.
Q9. In eleven hours C walks 12.5 km less than what D does in twelve hours; and in five hours D walks 3.25 km less than what C does in seven hours. How many km does each walk per hour?
∴ 12y – 11x = 12.5 …(i)
And,
7x – 5y = 3.25 ..(ii)
Solving (i) and (ii) we get
x = 3.5 km per hour
y = 4.25 km per hour
Q10. Aviral bought a jute bag at 30% discount on the list price. He then sold it at a price which is 160% of the list price thereby making a profit of Rs 81. What is the list price of the bag?
Directions (11-15): What should come in place of question mark (?) in the following number series?
Q11. 2, 5, 23, 143, 1151, ?
∴ ? = 1151 × 10 + 9 = 11519
Q12. 8, 9, 20, 63, ?, 1285, 7716
8 × 1 + 1 = 9
9 × 2 + 2 = 20
20 × 3 + 3 = 63
63 × 4 + 4 = 256
256 × 5 + 5 = 1285
1285 × 6 + 6 = 7716
Q13. 15, 34, 13, 30, 11, ?
∴ ? = 11 × 2 + 4 = 26
Q14. 6, 5, 7, 12.5, 27, ?
∴ ? = 27 × 2.5 + 2 = 69.5
Q15. 64, 77, 66, 73, 68, ?