Question

(i) To draw the graph of 4x + 5y = 19, find y when x=1.
(A) 4 (B) 3 (C) 2 (D) - 3
(ii) Which of the following is the value of the discriminant for
√21 – 5x + √2=0?
(A) - 5 (B) 17 (C) 2 (D) 22-5
(iii) What is the sum of the first 20 terms of an A.P., if a=4 and t20 = 36?
(A) 40 (B) 200 (C) 400 (D) 800
(iv) Which number cannot represent a probability?
(A) 15% (B) (C)0,7 (D) 1.5​

Answer 1

Answer:

1. is B is correct answer

2.is B is correct answer

3.is B is correct answer

4.is D is correct answer

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