Maths Practice Test-2 (Number System) Maths practice test-2(number system) 1 / 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 2 / 10 Q. 2 - 2 + 2 - 2 +.........101 terms=? -2 0 2 none of these 3 / 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 4 / 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 5 / 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 6 / 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 7 / 10 Q. 98th term of the infinite series 1, 2, 3, 4, 1, 2, 3, 4, 1,2,.....is 1 2 3 4 8 / 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 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. 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 Your score is 0% Restart quiz Exit
