The remainder obtained when43+23 is divide by 66 is

1.  2

2.  10

3.  5

4.  0

5.   35

View Answer  
5
Correct Answer :

0


Explanation :
No Explanation available for this question

The last three-digits of the multiplication 12345*54321 will be

1.  865

2.  745

3.  845

4.  945

5.   875

View Answer  
5
Correct Answer :

745


Explanation :
No Explanation available for this question

The sum of the digits of a three-digit number is 12.If we subtract 495 from the number consisting of the same digits written in reverse order,we shall get the required number.Find that three-digit number if the sum of all pairwise products of the digits consisting that number is 31.

1.  156

2.  237

3.  197

4.  159

5.   Both(a)and(b)

View Answer  
5
Correct Answer :

237


Explanation :
No Explanation available for this question

A three-digit positive integer abc is such that a2 + b2 + c2 = 74. a is equal to the doubled sum of the digits in the tens and units places. Find the number if it is known that the difference between that number and the number written by the same digits in the reverse order is 495.

1.  813 

2.  349

3.  713

4.   None of these

View Answer  
4
Correct Answer :

813 


Explanation :
No Explanation available for this question

Represent the number 1.25 as a product of three posi-tive factors so that the product of the first factor by the square of the second is equal to 5 if we have to get the lowest possible sum of the three factors.

1.  X1 = 2.25,X2=5,X3 = 0.2

2.  X1=1.25, x2- 4,x3 = 4.5

3.  x1 =1.25, x2= 2,x3 = 0.5

4.  x1 =1.25,x2= 4, X3 = 2

5.   None of these

View Answer  
5
Correct Answer :

x1 =1.25, x2= 2,x3 = 0.5


Explanation :
No Explanation available for this question

Find a number x such that the sum of that number and its square is the least.

1.  -0.5

2.  0.5

3.  -1.5

4.  1.5

5.   1

View Answer  
5
Correct Answer :

-0.5


Explanation :
No Explanation available for this question

When 22225555 + 55552222 is divided by 7, the remainder is

1.  0

2.  2

3.  4

4.  5

View Answer  
4
Correct Answer :

0


Explanation :
No Explanation available for this question

If x is a number of five-digits which when divided by 8, 12, 15 and 20 leaves respectively 5, 9, 12 and 17 as remainders, then find x such that it is the lowest such number

1.  10017

2.  10057

3.  10097

4.  10137

5.   10057

View Answer  
5
Correct Answer :

10137


Explanation :
No Explanation available for this question

32n- 1 is divisible by 2n+ 3 for n =

1.  1

2.  2

3.  3

4.  4

5.   None of these

View Answer  
5
Correct Answer :

None of these


Explanation :
No Explanation available for this question

10n - (5 + √l7)n is divisible by 2n+ 2 for what whole number value of n

1.  2

2.  3

3.  7

4.  8

5.   None of these

View Answer  
5
Correct Answer :

None of these


Explanation :
No Explanation available for this question
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