Pregunta 1
Pregunta
1. For some integer m, every odd integer is of the form
Pregunta 2
Pregunta
The product of a non-zero number and an irrational number is:
Respuesta
-
always irrational
-
always rational
-
rational or irrational
-
one
Pregunta 3
Pregunta
If two positive integers p and q can be expressed as p = ab2 and q = a3b; a, b being prime numbers, then LCM (p, q) is
Pregunta 4
Pregunta
Euclid’s division lemma states “Given positive integers a and b, there exist unique integers q and r satisfying a=bq+r”. Which of the following is true for r?
Pregunta 5
Pregunta
If p and q are integers and is represented in the form of p/q, then it is a:
Respuesta
-
Whole numbers
-
Rational numbers
-
Natural numbers
-
Even numbers
Pregunta 6
Pregunta
The least number that is divisible by all the numbers from 1 to 10 (both inclusive) is
Pregunta 7
Pregunta
On a morning walk, three persons step off together and their steps measure 40 cm, 42 cm and 45 cm, respectively. What is the minimum distance each should walk so that each can cover the same distance in complete steps?
Respuesta
-
2520cm
-
2525cm
-
2555cm
-
2528cm
Pregunta 8
Pregunta
The degree of the polynomial (x + 1)(x2 – x – x4 +1) is:
Pregunta 9
Pregunta
The pair of equations x + 2y – 5 = 0 and −3x – 6y + 15 = 0 have:
Pregunta 10
Pregunta
If a pair of linear equations is consistent, then the lines will be..............