2026

AISSCE(Board Exam)65/1/1

Full Paper Analysis & Solutions

Mathematics

Multiple Choice Questions

1 UNDERSTAND MCQ_SINGLE 1 Mark(s) 2026
#1490
If $2 \cos^{-1} x = y$, then
(A)
$0 \leq y \leq \pi$
(B)
$-\pi \leq y \leq \pi$
(C)
$0 \leq y \leq 2\pi$
(D)
$-\pi \leq y \leq 0$
EASY
2 REMEMBER MCQ_SINGLE 1 Mark(s) 2026
#1491
Which of the following cannot be the order of a row-matrix ?
(A)
$2 \times 1$
(B)
$1 \times 2$
(C)
$1 \times 1$
(D)
$1 \times n$
EASY