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# Quantitative Aptitude Quiz For SBI Clerk Prelims 2021- 9th May

Directions (1-5): Find the approximate value that will come in place of question mark(?) in the following questions.

Q6. The average of present age of X, Y and Z is 21 years. The ratio of their ages 7 years later is 3 : 5 : 6. Find average of present age X and Y ?
(a) None of these
(b) 12 years
(c) 21 years
(d) 16 years
(e) 17 years
Q7. Average age of A , B & C four years hence is 24 years and the ratio between age of B & C is 6 : 5. If age of A is 4 years less than that of C, then find average age of A & B two years hence will be?
(a) 17 years
(b) 19 years
(c) 21 years
(d) 20 years
(e) 22 years
Q8. A’s income is 16⅔% less than that of C’s while B’s income is Rs 400 more than that of A. If average of A’s and C’s income is Rs 175 less than that of B’s income. Then find income of A?
(a) Rs. 2250
(b) Rs. 2075
(c) Rs. 2125
(d) Rs. 2400
(e) Rs. 2550
Q9. A fraction is such that if we increase the numerator by 20% and decrease the denominator by 20%, we get 9/10 as a fraction. Then find the original fraction.
(a) 2/5
(b) 3/4
(c) 3/5
(d) 4/5
(e) None of these
Q10. Average temperature of a place in 25 days is recorded as 15°C. Later it was found that average temperature of four days which was 14°C by mistake taken as 16.5°C. Find the original average temperature of that place within that duration.
(a) 14.8°C
(b) 14°C
(c) 14.4°C
(d) 14.6°C
(e) 14.2°C
Q11. Anurag ordered three burgers for Rs. 200, Deepak ordered 2 burgers of average price Rs 80 & Veer ordered 3 burgers, each burger cost him Rs 95. Find average cost of each burger.
(a) Rs.85.625
(b) Rs.75.625
(c) Rs.70.625
(d) Rs.105.65
(e) Rs 80.625

Q13. A number when increased by 87 ½ %, it becomes 83⅓% of another number. Find the ratio of both numbers?
(a) 12:7
(b) 7:4
(c) 5:3
(d) 3:1
(e) 9:4
Q14. Arun spent 60% of his monthly salary on accommodation and 15% of remaining salary on entertainment. If the difference of amount spent on accommodation and his saving is Rs 3510 then find his monthly salary?
(a) Rs 12,500
(b) Rs 13,500
(c) Rs 12,800
(d) Rs 14,000
(e) Rs 15,000
Q15.The average age of 8 students in a college is 22.5 years. When two new students joined them, the average is increased by 2.5 years. Again, when another two new students are included the average is further increased by 1 year. Find the average age of all new students.
(a) 33 yr
(b) 32 yr
(c) 30 yr
(d) 34 yr
(e) 35 yr
Directions (16-20): Find the wrong number in the following number series.
Q16. 2030, 2050, 2000, 2100, 1900, 2300, 1500
(a) 1500
(b) 2030
(c) 2050
(d) 2100
(e) 1900
Q17. 10, 6, 6, 9, 18, 45, 135
(a) 9
(b) 18
(c) 135
(d) 10
(e) 45
Q18. 337, 318, 301, 278, 249, 218, 181
(a) 318
(b) 278
(c) 301
(d) 249
(e) 218
Q19. 75, 100, 200, 425, 820, 1450, 2350
(a) 2350
(b) 425
(c) 200
(d) 820
(e) 1450
Q20. 81, 100, 130, 171, 223, 285, 360
(a) 81
(b) 285
(c) 360
(d) 171
(e) 100

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