Numbers, General Mathematics

Question: The product of two numbers is `y/x`.If one of the numbers is `x/2`,then the other one is :
A
`y^3/x^2`

B
`y^2/x^3`

C
`x^2/y`

D
`x/y^2`

Note: Not available
1. Report
Question: `(64)^-2/3xx(1/4)^-2`is equal to :
A
`1`

B
`1/4`

C
`4`

D
`16`

Note: Not available
1. Report
Question: The value of `((2^n+2^n-1))/((2^n+1-2^n))`is :
A
`1/2`

B
`3/2`

C
`(n-1)/(2^n-1)`

D
None of these

Note: Not available
1. Report
Question: The expression `[1/1.2+1/2.3+1/3.4+..+1/(n(n+1)]` for any natural number n,is :
A
always greater than 1

B
always less than 1

C
always equal to 1

D
not difinite

Note: Not available
1. Report
Question: The smallest integer by which 3750 should be divided so that the quotient is a perfect square number is :
A
2

B
3

C
5

D
6

Note: Not available
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Question: On dividing 4150 by a certain number,the quotient is 55 and the remainder is 25.The divisor is :
A
65

B
70

C
75

D
80

Note: Not available
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Question: When n is divided by 4,the remainder is 3.What is the remainder when 2n is divided by 4 ?
A
1

B
2

C
3

D
6

Note: Not available
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Question: `217 xx 217+183 xx 183` =?
A
79698

B
80578

C
81268

D
80698

Note: Not available
1. Report

Question: The product of two numbers is `y/x`.If one of the numbers is `x/2`,then the other one is :