Directions (1-5): What will come in the place of question Mark (?) in the following number series:
Q1. 15, 30, 10, 40, 8, ?
(a) 50
(b) 36
(c) 42
(d) 48
(e) 40
Q2. –4, –9, –2, –11, ?, –13, 2
(a) 0
(b) –6
(c) –2
(d) 1
(e) –8
Q3. 1, 10, 28, 55, 91, 136, ?
(a) 180
(b) 195
(c) 176
(d) 190
(e) 200
Q4. 4, 6, 12, 30, 90, 315, ?
(a) 1240
(b) 1280
(c) 1260
(d) 1340
(e) 1380
Q5. 17, ?, 25, 33, 58, 91, 149
(a) 22
(b) 16
(c) 20
(d) 24
(e) 8
Directions (6-10) : What approximate value should come in the place of the question mark ‘?’ in the following questions ? (You are not expected to calculate the exact value.)
Q6. 18.09 ÷ 27.02 × 8.999 + (17.979)² = ?
(a) 310
(b) 330
(c) 318
(d) 350
(e) 343
Q7. 121% of 854.8 + 179% of 555.4 = ?²
(a) 55
(b) 40
(c) 45
(d) 50
(e) 35
Direction (11-15): – Line graph given below shows percentage of defective article out of total manufactured article in five different company i.e. (A, B, C, D and E).
Q11. If ratio between total no. of article manufactured in company C to company E is 1:2. Find ratio of defective article manufactured in E to that of C?
(a) 2:1
(b) 4:1
(c) 8:3
(d) 4:3
(e) 3:2
Q13. No. of defective article manufactured by company A is 96. Find total no. of article manufactured by company A?
(a) 9600
(b) 1200
(c) 1600
(d) 8000
(e) 3200
Q14. If ratio of defective article of company C to that of D is 2:3. Find ratio between total no. of article manufactured by company C to that of company D?
(a) 20:7
(b) 3:7
(c) 20:51
(d) 25:21
(e) Can’t be determine.
Q15. If difference between no. of article manufactured by company A and D is 200 and ratio of no. of article manufactured by A to D is 7:6. Find no. of non-defective article manufactured by A?
(a) 1288
(b) 1308
(c) 1402
(d) 1512
(e) 1198
Solutions