Math Chapter Wise question with answer

Q01 If n is a positive integer and (n+1)(n+3) is odd, then (n+2)(n+4) must be a multiple of which one from the followin... English · OAVS TGT 2019 Q02 x and y are two positive integers such that the least prime factor of x is 3 and the least prime factor of y is 5,... English · Haryana TGT 2020 Q03 If n is any positive integer then 1 + 3 + 5 +...+ (2n – 1)=? English · DSSSB TGT 04-09-2021 Shift-I (Male) Q04 Consider the function f(n) = n5 – 2n3 + n, where n is a positive integer. Which of the following statements is not... English · Bihar (TRE 1.0) -2023 Q05 Let p be a prime number and Np be the number of pairs of positive integers (x, y) such that 4 1 1 1 + = x y p Which... English · Bihar (TRE 1.0) -2023 Q06 For any positive integer n, 7 divides: English · OAVS TGT 2018