Quantitative Aptitude

General Questions

Quantitative Aptitude Exercise Mode

General Questions

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Question 11
How many two-digit numbers satisfy this property. The last digit (unit's digit) of the square of the two-digit number is 8 ?

A
1
B
2
C
3
D
None of these
Correct Answer: Option D

A number ending in 8 can never be a perfect square.

Question 12
The square root of 64009 is:

A
253
B
347
C
363
D
803
Correct Answer: Option A 
   2|64009( 253
    |4
    |----------
  45|240
    |225
    |----------
 503|  1509
    |  1509
    |----------
    |     X
    |----------

64009 = 253.

Question 13

625 x 14 x 11 is equal to: 11 25 196

A
5
B
6
C
8
D
11
Correct Answer: Option A
Given Expression = 25 x 14 x 11 = 5.
11 5 14
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