Algebra (SSC) (Part-10)

Total Questions: 50

21. Simplify : 3๐‘Ž๐‘ ร— (๐‘Ž + ๐‘)โปยน ร— (๐‘Žโปยน + ๐‘โปยน) [SSC CHSL 31/05/2022 (Evening)]

Correct Answer: (d) 3
Solution:

22. Solve the following equation: [SSC CHSL 31/05/2022 (Evening)]

Correct Answer: (d) 11
Solution:

23. If 8๐“ยฒ + 9๐“ + 8 = 0, then the value of ๐“ยณ + (1/๐“ยณ) is: [SSC CHSL 01/06/2022 (Morning)]

Correct Answer: (c) 999/512
Solution:

24. Expand ๐‘ฅยฒ + 2๐‘ฅ + 3 about ๐‘ฅ = -2 [SSC CHSL 01/06/2022 (Afternoon)]

Correct Answer: (b) (๐‘ฅ + 2)ยฒ โˆ’ 2(๐‘ฅ + 2) + 3
Solution:

25. If a + b = 2c then the value of : [SSC CHSL 01/06/2022 (Afternoon)]

Correct Answer: (b) 1
Solution:

26. If ๐‘ฅ + ๐‘ฆ + ๐‘ง = 25 , ๐‘ฅยณ + ๐‘ฆยณ + ๐‘งยณ = 85 and ๐‘ฅ๐‘ฆ๐‘ง = 20, then find the value of ๐‘ฅยฒ + ๐‘ฆยฒ + ๐‘งยฒ โˆ’ ๐‘ฅ๐‘ฆ โˆ’ ๐‘ฆ๐‘ง โˆ’ ๐‘ง๐‘ฅ. [SSC CHSL 01/06/2022 (Evening)]

Correct Answer: (b) 1
Solution:

27. Which among the below options can be a square root of ? [SSC CHSL 02/06/2022 (Afternoon)]

(xยฒ - 14x + 49) (xยฒ + 6x + 9)

Correct Answer: (c) (x - 7)(x + 3)
Solution:

28. Solve the following equation: [SSC CHSL 02/06/2022 (Afternoon)]

Correct Answer: (a) 2/3
Solution:

29. The factors of ๐‘Žยฒ - 1 - 2x - ๐‘ฅยฒ are _______. [SSC CHSL 02/06/2022 (Evening)]

Correct Answer: (b) (a + 1 + x)(a - 1 - x)
Solution:

30. If ๐‘ฅ - 2y = 3 and 2๐‘ฅy = 5, then find the value of (๐‘ฅ + 2y)ยฒ [SSC CHSL 03/06/2022 (Morning)]

Correct Answer: (a) 29
Solution: