General Mathematics

Question: `(5)^25 xx (125)^25` is equal to :
A
√5

B
5

C
5√5

D
25

Note: Not available
1. Report
Question: Give that`(1^2+2^2+3^2+...10^2)=385`,than the value of `(2^2+4^2+6^2+...+20^2)` is equal to :
A
770

B
1540

C
1155

D
`(385)^2`

Note: Not available
1. Report
Question: If`(64)^2-(36)^2=20~z` ,the value of ~z is:
A
70

B
180

C
120

D
N0ne

Note: Not available
1. Report
Question: If x*y=`(x+2)^2`(y-2),than the value of (7*5) is :
A
175

B
205

C
213

D
243

Note: Not available
1. Report
Question: If `2^x-1+2^x+1=320`,than the value of x is :
A
4

B
5

C
6

D
7

Note: Not available
1. Report
Question: The sum of first 45 natural numbers is :
A
2070

B
1035

C
1280

D
2140

Note: Not available
1. Report
Question: (51+52+53+..+100) is equal to :
A
2525

B
2975

C
3225

D
3775

Note: Not available
1. Report
Question: The remainder obtained when `2^31`is divisible by 5,is :
A
2

B
3

C
4

D
1

Note: Not available
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Question: What least must be given to * so that number 451 is exactly divisible by 9 ?
A
2

B
5

C
8

D
7

Note: Not available
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Question: What least must be assigned to * so that the number 635762 is divisible by 8 ?
A
1

B
2

C
3

D
4

Note: Not available
1. Report

Question: `(5)^25 xx (125)^25` is equal to :