Directions (Q Nos. 1-5) What should come in place of the question mark in each of the following number series?
Q1. 50, 60, 75, 97.5, ?, 184.275, 267.19875
(a) 120.50 (b) 130.50 (c) 131.625 (d) 124.50 (e) None of the above
Q2. 12, 15, 36, ?, 480, 2415, 14508
(a) 115 (b) 109 (c) 117 (d) 121 (e) None of the above
Q3. 20, 21, 25, 34, 50, ?, 111
(a) 70 (b) 65 (c) 60 (d)75 (e) None of the above
Q4. 13, 16, 22, 33, 51, ?
(a) 89 (b) 78 (c) 102 (d) 69 (e) None of the above
Q5. 656, 432, 320, 264, 236, ?
(a) 222 (b) 229 (c) 232 (d) 223 (e) None of the above
Q6. 6 bells commence tolling together and toll of intervals are 2, 4, 6, 8, 10 and 12 s, respectively. In 1 h, how many times, do they toll together?
(a) 16 (b) 32 (c) 21 (d) 35 (e) None of the above
Q7. Solve:
(238 + 131)^2 + (238 – 131)^2/ 238 x 238 + 131 x 131
(a) 4 (b) 2 (c) 8 (d) 9 (e) None of the above
Q8. A container of milk was 4/5 full. When 12 bottles of milk were taken out and 8 bottles of milk were poured into it, it was 3/4 full. How many bottles of milk can be container contain?
(a) 80 (b) 40 (c) 90 (d) 30 (e) None of the above
Q9. A man divides his total route of journey into three equal parts and decides to travel the three parts with speed of 15 km/h, 10 km/h and 5 km/h, respectively. Find his average speed of during journey.
(a) 2.28 km/h (b) 9 km/h (c) 14 km/h (d) 8.18 km/h (e) None of the above
Q10. The population of a city is 250000. It is increasing at the rate of 2% every year. The growth in the population after 2 yr is?
(a) 2500 (b) 10000 (c) 252000 (d) 10100 (e) None of the above
Directions (Q Nos. 11-15) What approximate value should come in the place of the question mark(?) in the following questions? ( Note that you are not expected to calculate the exact value).
Q11. 125.009 + 69.999 + 104.989 = ?
(a) 420 (b) 300 (c) 285 (d) 415 (e) 325
Q12. 127.007 × 7.998 + 6.05 × 4.001 = ?
(a) 1090 (b) 1200 (c) 1120 (d) 1040‘ (e) 1160
Q13. 36.98276421 × 21.00002 = ?
(a) 775 (b) 785` (c) 800 (d) 805 (e) 750
Q14. 1559.999÷ 24.001 + 11.005 × 6.999 = ?
(a) 137 (b) 132 (c) 152 (d) 149 (e) 142
Q15. 6.39 × 128.948 + 5.215 ÷ 12.189 + 25.056
(a) 800 (b) 900 (c) 850 (d) 950 (e) None of the above
