38
Q:

If 0.00000676=0.0026 then 6760000 is:

A) 2.6 B) 26
C) 260 D) 2600

Answer:   D) 2600



Explanation:

6760000=0.00000676×102= 0.00000676 ×102 = 0.0026×106 = 2600

Q:

Find the square root of 1471369.

 

A)  1213 B)  1223
C)  1203 D) 1233
 
Answer & Explanation Answer: A)  1213

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1 340
Q:

Find the cube root of 287496

 

A) 64 B) 46
C) 56 D) 66
 
Answer & Explanation Answer: D) 66

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0 390
Q:

Which of the following relation is CORRECT?

 

I. (√15 + √7) < (2√22)

II. (√17 + √5) < (√20 + √2)

 

A) Only I B) Only II
C) Neither I nor II D) Both I and II
 
Answer & Explanation Answer: A) Only I

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0 843
Q:

The square root of 5184 is

A) 76 B) 74
C) 72 D) 82
 
Answer & Explanation Answer: C) 72

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1 244
Q:

How many of the factors of 256 are perfect squares?

A) 6 B) 4
C) 3 D) 5
 
Answer & Explanation Answer: D) 5

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1 314
Q:

What is the square root of (√5 + 2)/(√5 – 2)?

 

A) √5 – √4   B) √5 + 2  
C) 5 + √2   D) 7
 
Answer & Explanation Answer: B) √5 + 2  

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1 962
Q:

What is the square root of 6561?

A) 79 B) 89
C) 77 D) 81
 
Answer & Explanation Answer: D) 81

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2 456
Q:

The least number to be added to 435 to make it a perfect square is

A) 8 B) 4
C) 3 D) 6
 
Answer & Explanation Answer: D) 6

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1 495