If k is a positive integer, then every square integer is of the form


A) Only 4k

B) 4k or 4k + 3

C) 4k+1 or 4k+ 3

D) 4k or 4k+1

Correct Answer:
D) 4k or 4k+1

Description for Correct answer:
If k is a positive integer, then every square integer is of the form 4k or 4k + 1. as every square number is either a multiple of 4 or exceeds multiple of 4 by unity.

Part of solved Number System questions and answers : >> Aptitude >> Number System








Comments

No comments available




Similar Questions
1). Every prime number of the form 3k + 1 can be represented in the form 6m + 1 (where k, m are integers), when
A). k is odd
B). k is even
C). k can be both odd and even
D). No such form is possible
-- View Answer
2). If cost of 24 oranges is Rs. 72, then find out the cost of 120 oranges.
A). Rs.18
B). Rs.360
C). Rs.172
D). Rs.500
-- View Answer
3). If cost of 15 eggs is Rs.75, then find out the cost of 4 dozens eggs.
A). Rs.240
B). Rs.300
C). Rs.150
D). Rs.185
-- View Answer
4). A worker makes a toy in every 2 h. If he works for 80 h, then how many toys will he make?
A). 40
B). 54
C). 45
D). 39
-- View Answer
5). 12 men can do a piece of work in 24 days. How many days are needed to complete the work, if 8 men are engaged in the same work?
A). 28
B). 36
C). 48
D). 52
-- View Answer


6). If 45 m of a uniform rod weighs 171 kg, then what will be the weight of 12 m of the same rod?
A). 49 kg
B). 42.5 kg
C). 55 kg
D). 45.6 kg
-- View Answer
7). 22 men can complete a job in 16 days. In how many days, will 32 men complete that job?
A). 14
B). 12
C). 16
D). 11
-- View Answer
8). If 10 spiders can catch 10 flies in 10 min, then how many flies can 200 spiders catch in 200 min?
A). 2000
B). 5000
C). 4000
D). 3000
-- View Answer
9). 2000 soldiers in a fort had enough food for 20 days. But some soldiers were transferred to another fort and the food lasted for 25 days. How many soldiers were transferred?
A). 400
B). 450
C). 525
D). 500
-- View Answer
10). If in a hostel, food is available for 45 days for 50 students. For how many days will this food be sufficient for 75 students?
A). 25 days
B). 28 days
C). 30 days
D). 40 days
-- View Answer