Question

4. If ab = 6 and a + b = 5 then the value of ( a2 + b2

) is ………

a) 11 b) 12 c) 13 d) 16

5. Ramesh purchased a cycle for Rs 10000 and sold it for Rs8000. Find his loss%

a) 10% b) 20% c) 40% d) 12%

6. . Evaluate: ( b – 7 )2

a) b2

- 14b +49 b) b

2

+ 14b +49 c) b + 49 d) b - 14b + 49​

Answer 1

Answer:

4.c

5.d

6.d

Step-by-step explanation:

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