Numbers

poornima lagadapati

Active member
Try this:


It is being given that (2^32 + 1) is completely divisible by a whole number. Which of the following numbers is completely divisible by this number?

A.(2^16 + 1)
B.(2^16 - 1)
C.(7 x 2^23)
D.(2^96 + 1)
 

poornima lagadapati

Active member
What least number must be added to 1056, so that the sum is completely divisible by 23 ?

A. 2
B. 3
C. 18
D. 21
E. None of these
1397 x 1397 = ?

A. 1951609
B. 1981709
C. 18362619
D. 2031719
E. None of these
How many of the following numbers are divisible by 132 ?
264, 396, 462, 792, 968, 2178, 5184, 6336

A. 4
B. 5
C. 6
D. 7
 

poornima lagadapati

Active member
What least number must be added to 1056, so that the sum is completely divisible by 23 ?

A. 2
B. 3
C. 18
D. 21
E. None of these
1397 x 1397 = ?

A. 1951609
B. 1981709
C. 18362619
D. 2031719
E. None of these
How many of the following numbers are divisible by 132 ?
264, 396, 462, 792, 968, 2178, 5184, 6336

A. 4
B. 5
C. 6
D. 7
1. A 2. A
 

poornima lagadapati

Active member
(935421 x 625) = ?

A. 575648125
B. 584638125
C. 584649125
D. 585628125
The largest 4 digit number exactly divisible by 88 is:

A. 9944
B. 9768
C. 9988
D. 8888
E. None of these
Which of the following is a prime number ?

A. 33
B. 81
C. 93
D. 97
 

poornima lagadapati

Active member
5358 x 51 = ?

A. 273258
B. 273268
C. 273348
D. 273358
The sum of first five prime numbers is:

A. 11
B. 18
C. 26
D. 28

The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and the 15 as remainder. What is the smaller number ?

A. 240
B. 270
C. 295
D. 360
 

poornima lagadapati

Active member
72519 x 9999 = ?

A. 725117481
B. 674217481
C. 685126481
D. 696217481
E. None of these


If the number 517*324 is completely divisible by 3, then the smallest whole number in the place of * will be:

A. 0
B. 1
C. 2
D. None of these


The smallest 3 digit prime number is:

A. 101
B. 103
C. 109
D. 113
 

poornima lagadapati

Active member
(?) - 19657 - 33994 = 9999

A. 63650
B. 53760
C. 59640
D. 61560
E. None of these


The sum of first 45 natural numbers is:

A. 1035
B. 1280
C. 2070
D. 2140
 
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