RRB NTPC Algebra Quiz 1 | RRB NTPC Quant Practice Quiz

Question 1

A

6

B

5

C

7

D

2

Question 2

Find the value of y² (y³ + y² – y), if y = 3?

A

321

B

253

C

297

D

317

Question 3

Find the equation formed by the non – common roots of the equations

x² – 8x + 15 = 0 and x² – 12x + 35 = 0?

A

x² – 10x + 21

B

x² + 10x + 21

C

x² – 10x – 21

D

x² + 10x – 21

Question 4

If a = 13, b = 15 and c = 16, then find the value of a³ + b³ + c³ – 3abc?

A

616

B

544

C

308

D

221

Question 5

If a + b + c = 4 and a² + b² + c² = 110, then find the value of ab + bc + ca?

A

94

B

– 94

C

47

D

– 47

Question 6

A

8

B

6

C

10

D

4

Question 7

If x² + y² + 4x + 2y + 5 = 0, then find the value of y⁴⁷ + x⁴?

A

15

B

7

C

17

D

9

Question 8

A

B

C

D

Question 9

Expand (7 – x)³?

A

x³ – 21x² – 147x – 343

B

- x³ + 21x² – 147x + 343

C

x³ + 21x² + 147x – 343

D

x³ + 21x² +147x + 343

Question 10

If (9x – 4y) is equal to (7x + 8y), then find the ratio of x and y?

A

3 : 2

B

4 : 5

C

6 : 1

D

2 : 3

Algebra Quiz 1 | RRB NTPC

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