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Quant Quiz for SBI PO, CLERK and NABARD

Directions (Q.1-5): What should come in place of the question mark in each of the following number series?

1. 1, 2, 6, 21, 88, 445, ?
2230
2676
2580
2670
None of the above
Solution:
2. 39, 52, 78, 117, 169, ?
246
182
234
256
None of the above
Solution:
3. 24, 536, 487, 703, 678, ?
768
748
764
742
None of the above
Solution:
4. 9, 62, ?, 1854, 7415, 22244
433
309
406
371
None of the above
Solution:
5. 4, 10, 40, 190, 940, ?, 23440
4690
2930
5140
3680
None of the above
Solution:
6. ([0.5 × 0.5 ×0.5+ 0.2 × 0.2 × 0.2 + 0.3 × 0.3 × 0.3 – 3 × 0.5 × 0.3 × 0.2 ])/(0.5 × 0.5 + 0.2 × 0.2 + 0.3 × 0.3 – 0.5 × 0.2 – 0.2 × 0.3 – 0.5 × 0.3)
1
0.6
0.4
0.03
None of the above
Solution:
7. If a * b =a+b+(a/b), then the value of 12 * 4 is
48
19
20
21
None of the above
Solution:
8. If p + q = 10 and pq = 5, then the numerical value of (p/q) + (q/p) will be
22
18
16
20
None of the above
Solution:
9. If a + b + c = 14 and a2 + b2 + c2 = 96, then (ab + bc + ca) = ?
51
55
50
65
None of the above
Solution:
10. If (x)+(1/x)=6, then (x^4)+(1/x^4) is
1152
1154
1148
1150
None of the above
Solution:


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