CBSE Board 2020

Question 2: The coordinates of the point which is reflection of point (-3, 5) in x-axis are

1. (3, 5)
2. (3, -5)
3. (-3, -5)
4. (-3, 5)

Answer: (c) (-3, -5)

Question 3: If the point P (6, 2) divides the line segment joining A (6, 5) and B (4, y) in the ratio 3 : 1, then the value of y is

1. 4
2. 3
3. 2
4. 1

Answer: (d) 1

Question 4: The sum of exponents of prime factors in the prim-factorisation of 196 is

1. 3
2. 4
3. 5
4. 2

Answer: (b) 4

Question 5: Euclid’s division Lemma states that for two positive integers a and b, there exists unique integer q and r satisfying `a=bq+r` and

1. 0 < r < b
2. 0 < r ≤ b
3. 0 ≤ r < b
4. 0 ≤ r ≤ b

Answer: (c) 0 ≤ r < b

Question 6: The zeroes of the polynomial `x^2-3x-m(m+3)` are

1. m, m + 3
2. –m, m + 3
3. m, -(m + 3)
4. –m, -(m + 3)

Answer: (b) –m, m + 3

Question 7: The value of k for which the system of linear equations `x+2y=3`, `5x+ky+7=0` is inconsistent is

1. `-(14)/3`
2. `2/5`
3. 5
4. 10

Answer: (d) 10

Question 8: The roots of the quadratic equation `x^2-0.04=0` are

1. ± 0.2
2. ± 0.02
3. 0.4
4. 2

Answer: (a) ± 0.2

Question 9: The common difference of the AP `1/p`, `(1-p)/p`, `(1-2p)/p`, ….. is

1. 1
2. `1/p`
3. -1
4. `-1/p`

Answer: (c) – 1

Question 10: The n^th term of the AP a, 3a, 5a, ……… is

1. na
2. (2n -1)a
3. (2n + 1)a
4. 2na

Answer: (b) (2n -1)a

• CBSE Board 2020 Section A
• Sec A(2)
• Sec B
• Sec C
• Sec D
• Next