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CBSE Maths Answer Key for 2021-22 (Term 1) Basic CBSE Class 10 board exam is live now along with a download link of the Term 1 CBSE Class 10 Maths board exam 2021-22 (Basic) question paper (PDF). CBSE 10th Maths Basic board exam 2021-22 (Term 1) was conducted on 4th December. All updates about CBSE Basic Class 10 Maths Answer key & question paper are being updated here frequently.
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➤ CBSE Class 10 Maths Board Exam 2021-22 (Term 1) Standard Question Paper & Answer Key: https://bit.ly/3lBP0cV
➤ Download CBSE Class 10 Maths Board Exam 2021-22 (Term 1) Question Paper - Basic: https://bit.ly/3lBN83J
➤ CBSE 10th Maths Answer Key 2021-22 (Term 1): (Basic)
1. HCF of 92 & 152 is?
Answer: (a) 4
2. If DE || BC, AD = 4 cm and DB = 6 cm, and AE = 5 cm The length of EC
Answer: (c) 7.5 cm
3. The value of k, for which the pair of linear equations x + y -dan 2x + ky – 3 = 0 have no solution, is
Answer: (b) 2
4. The value of (tan2 45° – cos2 60°) is
Answer: (d) 3/4
5. A point (x, 1) is equidistant from (0, 0) and (2, 0). The value of x is
Answer: (a) 1
6. Two coins are tossed together. The probability of getting exactly one head is
Answer: (b) 1/2
7. A circular arc of length 22 cm subtends an angle θ at the centre of the circle of radius 21 cm. The value of O is
Answer: (c) 60°
8. A quadratic polynomial having sum and product of its zeroes as 5 and 0 respectively is
Answer- (b) 2x(x – 5)
9. If P(E) =0.65, then the value of P(not E) is
Answer: (d) 0.35
10. It is given that ADEF ~ APQR. EF : QR = 32: 2, then value of ar(DEF) : ar(PQR) is
Answer: (d) 9:4
11. Zeroes of a quadratic polynomial x2 – 5x + 6 are
Answer: (c) 2, 3
12. 57/300 is a
Answer: (b) terminating decimal expansion after 2 places of decimals
13. The perimeter of a rectangle whose length (l) is 4 cm more than twice its breadth (b) is 14 cm. The pair of linear equations representing the above information is
Answer: (a) l + 4 = 2b,
14. 15.213 can also be written as
Answer: (a) 5.213213213...
15. The ratio in which the point (4, 0) divides the line segment joining me points (4, 6) and (4, -8) is
Answer: (b) 3:4
For rest of the questions, refer PDF, answers are accordingly
Answer 16: (c)
Answer 17: (c)
Answer 18: (b)
Answer 19: (c)
Answer 20: (a)
Answer 21: (d)
Answer 22: (b)
Answer 23: (b)
Answer 24: (c)
Answer 25: (a)
Answer 26: (d)
Answer 27: (b)
Answer 28: (c)
Answer 29: (a)
Answer 30: (a)
Answer 31: (d)
Answer 32: (b)
Answer 33: (c)
Answer 34: (a)
Answer 35: (c)
Answer 36: (d)
Answer 37: (b)
Answer 38: (a)
Answer 39: (d)
Answer 40: (b)
Answer 41: (c)
Answer 42: (b)
Answer 43: (c)
Answer 44: (b)
Answer 45: (b)
Answer 46: (d)
Answer 47: (a)
Answer 48: (c)
Answer 49: (c)
Answer 50: (d)