In algebra, letters may stand for
(A) known quantities (B) unknown quantities
(C) fixed numbers (D) none of these
Which of the following equations does not have a solution in integers?
(A) x + 1 = 1 (B) x – 1 = 3 (C) 2x + 1 = 6 (D) 1 – x = 5
For any two integers x and y, which of the following suggests that operation of addition is commutative ?
(A) x + y = y + x (B) x + y > x (C) x – y = y – x (D) x × y = y × x
Which of the following equations has x = 2 as a solution?
(A) x + 2 = 5 (B) x – 2 = 0 (C) 2x + 1 = 0 (D) x + 3 = 6
If the perimeter of a regular hexagon is x metres, then the length of
each of its sides is
(A) (x + 6) metres (B) (x ÷ 6) metres
(C) (x – 6) metres (D) (6 ÷ x) metres
+91 94284 01196 (WhatsApp only)
C-15, Suvidhapark Society, Amitnagar circle, Karelibaug, Vadodara (390018)
© Copyright 2025. Doubtora. All Rights Reserved
