Directions (1-5): What will come in the place of question Mark (?) in the following number series:
Q1. 6, 18, 33, 57, 108, ?, 615
(a) 220
(b) 324
(c) 308
(d) 240
(e) 460
Q2. ?, 8, 32, 72, 128, 200
(a) 0
(b) 4
(c) 2
(d) 6
(e) -2
Q3. 6, 6, 12, 36, 144, 720, ?
(a) 3600
(b) 2880
(c) 4320
(d) 1440
(e) 4230
Q4. 8, 21, 47, 86, 138, 203, ?
(a) 287
(b) 281
(c) 372
(d) 278
(e) 268
Q5. 30, 60, 20, 80, ?, 96
(a) 90
(b) 40
(c) 48
(d) 26
(e) 16
Directions (6-10): What approximate value should come in place of question mark (?) in the following questions?
Q11. Harish covers a distance of 720 km in 8 hours. If speed of Shivam is 4/3 rd of the speed of Harish, then find time taken by Shivam to cover 3/4th of the distance that is covered by Harish.
5 hours
3.6 hours
4 hours
4.5 hours
5.2 hours
Q12. A and B invests a total amount of Rs 10000 in two schemes respectively for two years. A invests at rate of 10% per annum at CI while B invests at rate of 12.5% at SI. If interest earned by B is Rs 660 more than A, then find amount invested by B.
Rs 4000
Rs 5500
Rs 6000
Rs 6500
Rs 5000
Q13. A boatman starts streaming from a point in downstream. After covering a distance of 180 km, the boatman returns to initial point. If the speed of the boat in still water is 36 kmph and speed of stream is 9 kmph. Find the total time taken by boatman during his whole trip.
9 hour 30 min
10 hour 40 min
8 hour 20 min
9 hour 50 min
10 hour 30 min
Q15. There are 4 consecutive even numbers. If sum of first three numbers is 108, then calculate the product of smallest and largest no.
(a) 1260
(b) 1292
(c) 1280
(d) 1360
(e) 1428
Solutions