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Exercise

Bank Clerk :: CN Test 181
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1 .

The simplified value of (1 - 1/3) (1 - 1/4) (1 - 1/5) ......... (1 - 1/99) (1 - 1/100) is

 2/99 1/25 1/50 1/100
2 .

Simplify: 2 3/4/1 5/6 ÷ 7/8 x (1/3 + 1/4) + 5/7 ÷ 3/4 of 3/7

 56/77 49/80 2/3 None of these
3 .

If x = √3 + 1/√3 - 1 and y = √3 - 1/√3 + 1, the value of x2 - y2 is

 14 13 15 10
4 .

The simplified value of 1/3 ÷ 1/3 x 1/3/1/3 ÷ 1/3 of 1/3 - 1/9 is

 0 1 1/3 1/9
5 .

The value of: 0.051 x 0.051 x 0.051 + 0.041 x 0.041 x 0.041/0.051 x 0.051 - 0.051 x 0.041 + 0.041 x 0.041 is

 0.92 0.092 0.0092 0.00092
6 .

If * means adding 6 times the second number to the first number then (1 * 2) *3 equals

 121 31 93 91
7 .

Of the following the largest fraction is 6/7, 5/6, 7/8, 4/5, 8/9

 6/7 4/5 5/6 8/9
8 .

Of three numbers, the second is twice the first and it is also thrice. If the average of these numbers is 44, the difference of the first numbers and the third number is

 24 18 12 6