Maths Practice Test-2 (Number System) Maths practice test-2(number system) 1 / 10 Q. If n and p are both odd numbers, which of the following is an even number? n+p n+p+1 np+2 np 2 / 10 Q. 98th term of the infinite series 1, 2, 3, 4, 1, 2, 3, 4, 1,2,.....is 1 2 3 4 3 / 10 Q. The difference between the square of any two consecutive integers is equal to sum of two numbers difference of two numbers an even number product of two numbers 4 / 10 Q. If x is a rational number and y is an irrational number, then both x + y and xy are necessarily rational both x + y and xy are necessarily irrational xy is necessarily irrational, but x + y can be either rational or irrational x + y is necessarily irrational, but xy can be either rational or irrational 5 / 10 Q. Which of the following is always odd? Sum of two odd numbers Difference of two odd numbers Product of two odd numbers None of these 6 / 10 Q. If a and b are two numbers such that ab = 0, then a = 0 and b = 0 a = 0 or b = 0 or both a = 0 and b not equal to 0 b = 0 and a not equal to 0 7 / 10 Q. 2 - 2 + 2 - 2 +.........101 terms=? -2 0 2 none of these 8 / 10 Q. If x,y,z be the digits of a number beginning from the left, the number is xyz x+10y+100z 10x+y+100z 100x+10y+z 9 / 10 Q. If the numbers from 1 to 24, which are divisible by 2 are arranged in descending order, which number will be at the 8th place from the bottom? 10 12 16 18 10 / 10 Q. Which of the following is the correct sequence in respect of the Roman numerals: C,D,L and M? C>D>L>M M>L>D>C M>D>C>L L>C>D>M Your score is 0% Restart quiz Exit
