Square Roots and Cube Roots Questions

Q:

28?+1426=34 of 2872

A) 576 B) 676
C) 1296 D) 1444
 
Answer & Explanation Answer: B) 676

Explanation:

Let 28x+1426=3×718

 

Then 28x=2154-1426 

 

28x=728 x=26

 

x=676

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9 3404
Q:

(0.75)31-0.75+0.75+0.752+1 = ?

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

Explanation:

(0.75)31-0.75+0.75+(0.75)2+1=(0.75)3+(1-0.75)(1)2+(0.75)2+1×0.751-0.75 

 

 

(0.75)3+(1)3-(0.75)31-0.75 =10.25=4=2

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6 3360
Q:

Find the value of 1.21x0.91.1x0.11?

A) 0 B) 1
C) 3 D) 5
 
Answer & Explanation Answer: C) 3

Explanation:

Given   1.21x0.91.1x0.11

 

1.21x100x0.9x101.1x10x0.11x100

 

9

 

= 3.

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Filed Under: Square Roots and Cube Roots
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

8 3291
Q:

1.52 x 0.0225 = ?

A) 0.0375 B) 0.3375
C) 3.275 D) 32.75
 
Answer & Explanation Answer: B) 0.3375

Explanation:
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13 3267
Q:

The value of 80-11245-63 is:

A) 3/4 B) 4/3
C) 4/7 D) 7/4
 
Answer & Explanation Answer: B) 4/3

Explanation:

80-11245-63=16×5-16×79×5-9×7=45-4735-37

 

=45-735-7=43

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10 3185
Q:

 0.204×420.07×3.4 is equal to:

A) 1/6 B) 0.06
C) 0.6 D) 6
 
Answer & Explanation Answer: D) 6

Explanation:

0.204×420.07×3.4=8568238=36 =6

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7 3150
Q:

If a = 5 + 15 - 1 b = 5 - 15 + 1 then find the value of a2+ab+b2a2-ab+b2 is ::

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

Explanation:

By simplifying, we get 4/3

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7 3034
Q:

What are the 2 natural numbers, sum of whose squares is 52?

A) 2, 7 B) 3, 5
C) 4, 6 D) 5, 6
 
Answer & Explanation Answer: C) 4, 6

Explanation:
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Exam Prep: Bank Exams

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