If x2 = 841 then x =
21
27
29
31
Multiplicative inverse of 1 is
-1
0
1/0
1
The successor of - 10 is
11
-11
-9
+9
The value of √5 × √45 is
5
9
10
15
Which of the following is an irrational number?
√8
√9
√16
√25
√2 is
A rational number
An irrational number
A composite number
A prime number
Using formula x2 + y2 = z2 the value of z2 when x = 4 and y = 3.
7
12
25
None of these
At what rate percent compound interest will Rs. 625 amount to Rs. 900 in 2 years ?
10%
15%
20%
25%
If A : B = 7: 9 and B : C = 3: 5, then A : B : C is.
7 : 9 : 5
21 : 35 : 45
7 : 9 : 15
7 : 3 : 15
A non empty set, which satisfies closure property, associative property, identity property and inverse property
is called a
Field
Abelian group
Group
Ring
