Class 12 CBSE Sample Question Paper 2024 - 2
SECTION – A
Q1. A fire in a factor delaying production for
some weeks is
(a) secular trend
(b) irregular trend
(c) cyclical trend
(d) seasonal trend
Q2. If A2-5A+7I =0, then A-1 is equal to
(a) 1/7(A–5I)
(b) 1/7(5I - A)
(c) -1/7(5I – A)
(d) None of these
Q3.
A boat goes 48 km downstream in 20 h. It takes 4 h more to cover the same distance against the stream. The speed of the boat in still water is
(a) 2.2 km/h
(b) 2 km/h
(c) 4 km/h
(d) 4.2 km/h
Q4. The sum of order and degree of differential equation is 
(a) 5
(b) 4
(c) 3
(d) 2
