IBPS Clerk Pre परीक्षा 5-6 दिसंबर पर आधारित: क्वांट क्विज

निर्देश(1-10): निम्नलिखित श्रृंखला में प्रश्न चिन्ह के स्थान पर क्या आना चाहिए?

1. 80 85 87 76 89
1) 78
2) 76
3) 74
4) 75
5) 72

2. 5 13 25 ? 61 85
(1) 38
(2) 39
(3) 43
(4) 42
(5) 41

3. 12 30 56 90 112
(1) 1
(2) 2
(3) 3
(4) 4
(5) 5

4. 11 121 1331 14641 ? 771561
(1) 164031
(2) 162021
(3) 155021
(4) 161051
(5) 15071

5. 10  ? 69  280  1405 8436
(1) 22
(2) 20
(3) 23
(4) 25
(5) 24

6. 123 140 106 157 89 ?
(1) 214
(2) 139
(3) 198
(4) 169
(5) 174

7. 190 94 46 22 ? 4
(1) 19
(2) 15
(3) 10
(4) 8
(5) 16

8. 320 310 290 250 170 ?
(1) 114
(2) 110
(3) 10
(4) 98
(5) 142

9. 3 4 9 28 113 ?
(1) 782
(2) 424
(3) 646
(4) 384
(5) 566

10. 8 4 6 15 ? 236.25
(1) 64.5
(2) 84
(3) 52.5
(4) 36
(5) 46

11. 379, 390, 412, 445………544
(1) 462
(2) 511
(3) 538 
(4) 489
(5) 504

उत्तर 
1. (1); The series is:
80+5=85, 85-7=78, 78+9=87, 87-11=76, 76+13=89

2. (5); The series is 1^2+2^2, 2^2+3^2,3^2+4^2,4^2+5^2,5^2+6^2

3. (2); The series is 1×2,3×4,5×6,7×8,9×10

4. (4); The series is 11,11^2,11^3,11^4,11^5……………….

5. (1); 10×2+2=22,22×3+3=69,69×4+4=280

6. (5); The series is +17, -34, +51, -68, +85…………
i.e next number=89+85=174

7. (3); The series is ÷2-1,÷2-1, …………..
(22/2)-1=10

8. (3); Difference between the number are -10, -20, -40, -80, -160

9. (5); 3×1+1=4,4×2+1=9,9×3+1=28,28×4+1=113,113×5+1=566

10. (3); 8×0.5=4,4×1.5=6,6×2.5=15,15×3.5=52.5

11. (4); Difference between the number are

+11, +22, +33, +44, +55