Mathmetics
ISBT Mathmetics for all banking PO,Clerk,IBPS PO,Railway,SSC,IAS,OAS Exams
Q1. | Directions:In each of the following questions a number series is given. After the series a number is given followed by (a),(b),(c),(d)&(e).Yoy have to complete the series starting with the number given, following the sequence of the given series, and answer the questions given below the series.
(A) 4 2 3 7.5 26.25 118.125 (B) 6 (a) (b) (c) (d) (e)
What will come in the place of (c) ?
|
1) | 12.25 |
2) | 11.5 |
3) | 11.125 |
4) | 12.5 |
5) | None of these |
Answer : None of these
Explanation : x .5, x1.5, x 2.5, x 3.5 , x 4.5 and so on
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Q2. | Directions:In each of the following questions a number series is given. After the series a number is given followed by (a),(b),(c),(d)&(e).Yoy have to complete the series starting with the number given, following the sequence of the given series, and answer the questions given below the series.
(A) 2 3 7 25 121 721 (B) 3 (a) (b) (c) (d) (e)
What will come in the place of (c) ?
|
1) | 31 |
2) | 39 |
3) | 45 |
4) | 49 |
5) | None of these |
Answer : 49
Explanation : x 2 -1, x 3-2, x 4-3, x 5 -4 and so on ...
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Q3. | Directions:In each of the following questions a number series is given. After the series a number is given followed by (a),(b),(c),(d)&(e).Yoy have to complete the series starting with the number given, following the sequence of the given series, and answer the questions given below the series.
(A) 2 3 10 39 172 885 (B) 5 (a) (b) (c) (d) (e)
What will come in the place of (d) ? |
1) | 175 |
2) | 196 |
3) | 208 |
4) | 244 |
5) | None of these |
Answer : 244
Explanation : x 1+12,, x 2+22, x 3+32, x 4+42 and so on ....
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Q4. | Directions:In each of the following questions a number series is given. After the series a number is given followed by (a),(b),(c),(d)&(e).Yoy have to complete the series starting with the number given, following the sequence of the given series, and answer the questions given below the series.
(A) 3 12 30 66 138 282 (A) 7 (a) (b) (c) (d) (e)
What will come in the place of (b)?
|
1) | 34 |
2) | 46 |
3) | 70 |
4) | 76 |
5) | None of these |
Answer : 46
Explanation : x 2 +6 , x 2+6 , and so on
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Q5. | Directions:In each of the following questions a number series is given. After the series a number is given followed by (a),(b),(c),(d)&(e).Yoy have to complete the series starting with the number given, following the sequence of the given series, and answer the questions given below the series.
(A) 7 20 46 98 202 410 (A) 4 (a) (b) (c) (d) (e)
What will come in the place of (d)?
|
1) | 146 |
2) | 162 |
3) | 166 |
4) | 184 |
5) | None of these |
Answer : None of these
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Q6. | Directions:In each of the following questions a number series is given. After the series a number is given followed by (a),(b),(c),(d)&(e).Yoy have to complete the series starting with the number given, following the sequence of the given series, and answer the questions given below the series.
(A) 9 10 16 57 212 1085 (A) 2 (a) (b) (c) (d) (e)
What will come in the place of (c)?
|
1) | 15 |
2) | 18 |
3) | 25 |
4) | 36 |
5) | None of these |
Answer : 15
Explanation : x 1 + 12, x 2 -22, x 3+32, x 4 -42 and so on
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Q7. | Directions:In each of the following questions a number series is given. After the series a number is given followed by (a),(b),(c),(d)&(e).Yoy have to complete the series starting with the number given, following the sequence of the given series, and answer the questions given below the series.
(A) 3 5 22 13.5 35 19 (B) 5 (a) (b) (c) (d) (e)
What will come in the place of (c)?
|
1) | 13 |
2) | 14.5 |
3) | 15.5 |
4) | 16 |
5) | None of these |
Answer : 14.5
Explanation : +7 x 1/2 , +6 x 2 , + 5 x 1/2, + 4 x 2, so on
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Q8. | Directions:In each of the following questions a number series is given. After the series a number is given followed by (a),(b),(c),(d)&(e).Yoy have to complete the series starting with the number given, following the sequence of the given series, and answer the questions given below the series.
(A) 3 40 176 537 1078 1079 (B) 1 (a) (b) (c) (d) (e)
What will come in the place of (e) ?
|
1) | 839 |
2) | 738 |
3) | 829 |
4) | 938 |
5) | None of these |
Answer : 839
Explanation : x 5 + 52 , x 4 + 42 , x 3 +32
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Q9. | Directions:In each of the following questions a number series is given. After the series a number is given followed by (a),(b),(c),(d)&(e).You have to complete the series starting with the number given, following the sequence of the given series, and answer the questions given below the series.
(A) 4 2.25 3.25 7.125 18.25 51.875 (B) 7 (a) (b) (c) (d) (e)
What will come in the place of (b) ? |
1) | 4.125 |
2) | 5.25 |
3) | 6.75 |
4) | 4.125 |
5) | None of these |
Answer : 4.125
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Q10. | Direction: Insert the appropriate number in the place of "?" mark and make a complete number series.
? 3638 3494 3413 3377 3368 |
1) | 3748 |
2) | 3763 |
3) | 3863 |
4) | 3883 |
5) | None of these |
Answer : 3863
Explanation : The sequence is : - (15)
2 , - (12)
2, - (9)
2 , - (6)
2 , - (3)
2 and so on.
So, the answer should (3638 + 225 ) = 3863 .
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