Surds and Indices Questions Answers
-
1. Value of (256)54
- 1012
- 1024
- 1048
- 525
Answer And Explanation
Answer: Option B
Explanation:
=(256)54=(44)54=45=1024
-
2. √813
- 2
- 4
- √2
- 8
Answer And Explanation
Answer: Option C
Explanation:
=((8)12)13=8(12×13)
=(8)16
=(2)3(16)
=(2)12 -
3. Find the value of,
1216−23+1256−34+132−15- 100
- 101
- 102
- 103
Answer And Explanation
Answer: Option C
Explanation:
-
4. Find the value of
(10)150÷(10)146- 10
- 100
- 1000
- 10000
Answer And Explanation
Answer: Option D
Explanation:
=(10)150(10)146=104=10000
-
5. (1000)7÷(10)18=?
- 10
- 100
- 1000
- 10000
Answer And Explanation
Answer: Option C
Explanation:
=(103)7(10)18
=(10)21(10)18=103=1000 -
6. If m and n are whole numbers such that
mn=121
, the value of (m−1)n+1 is- 1
- 10
- 100
- 1000
Answer And Explanation
Answer: Option D
Explanation:
We know that (11)2=121
So, putting values in said equation we get,
(11−1)2+1=(10)3=1000 -
7. Evaluate 2560.16×(256)0.09
- 2
- 4
- 8
- 16
Answer And Explanation
Answer: Option B
Explanation:
=2560.16+0.09=2560.25=25625100
=25614=(44)14
=(4)4×14=4
-
SHAN 9 years ago
HEY QNS COPIED FROM QUANTITATIVE APP. S.CHAND
-
-
kumar 10 years ago
i want to know the answer of 2^x=4^y=8^z and (1/2x+1/4y+1/6z)=24/7
-
asuquo rosy 10 years ago
If x = root3 - root2 / root3 + root 2, y = root3 + root2 / root3 - root2. Find the value of 3x^2 - 5x + 3y^2.
-
dian 11 years ago
Same questions seen everywhere
-
Savi 11 years ago
Good questions