Mathematics Easy 1

Mathematics - Easy 1

Right Mark: 1 Negative Mark: 0.25

Q1: If x = √50, simplify x.

5√2 10√5 25 2√5

Q2: If 2x + 5 = 15, then the value of x is:

3 4 5 10

Q3: Simplify: √72 - √32

2√2 4√2 2√10 6√2

Q4: Evaluate: √2 × √18

12 6 3√4 √36

Q5: If x = 2, then the value of the given equation is:
x² + 2x + 1

9 7 11 5

Q6: The median of 8, 12, 15, 20, 25, 30 is:

17.5 15 20 22.5

Q7: The solution of 3(x - 2) = 12 is:

2 4 6 8

Q8: Find the mean of 5, 10, 15, 20, 25.

10 12 15 20

Q9: The area of a circle with radius 7 cm is:

49π cm² 14π cm² 7π cm² 77 cm²

Q10: Find the median of 3, 8, 9, 12, 15.

9 8 12 10

Q11: Simplify: (2√3)².

6 12 3 12

Q12: One trader gains 20% after allowing a discount of 10% on the marked price. If cost price is ₹450, marked price is:

₹500 ₹600 ₹625 ₹675

Q13: The mean of 8 numbers is 20. If one number is removed, the mean becomes 18. Find the removed number.

20 32 34 36

Q14: One man is 24 years older than his son. After 2 years, the father’s age will be twice the son’s age. What is the son’s present age?

20 22 24 26

Q15: By selling an article for ₹800, a man gains 25%. The cost price is:

₹600 ₹640 ₹700 ₹750

Q16: If √x = 12, then x = ?

12 24 144 √12

Q17: Article shopkeeper sells an article at a loss of 10%. If he sells it for ₹270, the cost price is:

₹250 ₹300 ₹280 ₹350

Q18: What is the binary equivalent of the decimal number 14?

1110 1010 1101 1001

Q19: What is the value of (5!) ?

60 120 24 100

Q20: What is the value of factorial 0 (0!) ?

Assamese

ফেক্টৰিয়েল 0 (0!) ৰ মান কিমান?

0 1 2 Undefined

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