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Number System

01. $(\frac{963 x 963 x 963 + 137 x 137 x 137}{963 x 963 - 963 x 137 + 137 x 137}) = ?$

1
1000
2
826
3
1100
4
N.O.T.

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Answer:- 3

02. $\frac{{(589 + 187)}^{2} - {(589 + 187)}^{2}}{589 x 187} = ?$

1
4
2
2
3
402
4
201/388

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Answer:- 1

03. $[\frac{1}{1 x 2} + \frac{1}{2 x 3} + \frac{1}{3 x 4} + . . . + \frac{1}{99 x 100}] = ?$

1
1/9900
2
99/100
3
100/99
4
1000/99

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Answer:- 2

04. $(1 - \frac{1}{3}) (1 - \frac{1}{4}) (1 - \frac{1}{5}) . . . . . . (1 - \frac{1}{3}) = ?$

1
$\frac{1}{n}$
2
$\frac{2}{n}$
3
$\frac{2 (n - 1)}{n}$
4
$\frac{2}{n (n + 1)}$

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Answer:- 2

05. $(2 - \frac{1}{3}) (2 - \frac{3}{5}) (2 - \frac{5}{7}) . . . . . . (2 - \frac{997}{999}) = ?$

1
5/999
2
1001/999
3
1001/3
4
N.O.T.

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Answer:- 3

06. $(1 - \frac{1}{2^{2}}) (1 - \frac{1}{3^{2}}) (1 - \frac{1}{4^{2}})$ …… $(1 - \frac{1}{19^{2}}) (1 - \frac{1}{20^{2}})$ =?

1
0.5222
2
0.552
3
0.525
4
0.555

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Answer:- 3

07. (584×328×547×613) में इकाई अंक कितना है -

1
2
2
3
3
4
4
5

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Answer:- 1

08. संख्या (2137)⁷⁵³ में इकाई का अंक क्या है -

1
1
2
3
3
7
4
9

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Answer:- 3

09. संख्या (13)²⁰⁰³ में इकाई का अंक कितना है -

1
7
2
9
3
3
4
1

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Answer:- 1

10. (795 - 358) इकाई का अंक कितना है -

1
0
2
4
3
6
4
7

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Answer:- 2

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