10th class Maths-MCQ

The total number of events of throwing 10 coins simultaneously is

• 1024
• 512
• 100
• 10

2. Three coins are tossed simultaneously. The probability of getting all heads is

• 1
• 1/2
• 1/4
• 1/8

3. One card is drawn from a well shuffled deck of 52 cards. The probability of getting a king of red colour is

• 1/26
• 1/13
• 1/4
• 1/2

4. Which of the following is not a quadratic equation

• x² + 3x – 5 = 0
• x² + x3 + 2 = 0
• 3 + x + x² = 0
• x² – 9 = 0

5. The quadratic equation has degree

• 0
• 1
• 2
• 3

6. The cubic equation has degree

• 1
• 2
• 3
• 4

7. A bi-quadratic equation has degree

• 1
• 2
• 3
• 4

8. The polynomial equation x (x + 1) + 8 = (x + 2) {x – 2) is

• linear equation
• quadratic equation
• cubic equation
• bi-quadratic equation

9. If x tan 45° sin 30° = cos 30° tan 30°, then x is equal to

• √3
• 12
• 12√
• 1

10. If x and y are complementary angles, then

• sin x = sin y
• tan x = tan y
• cos x = cos y
• sec x = cosec y