Class 10 Maths1)If the sum of the zeroes of the polynomial f(x) = 2x³ – 3kx² + 4x – 5 is 6, then the value of k is

Correct Option: D

4

Class 10 Maths2)The probability of getting exactly one head in tossing a pair of coins is

Correct Option: D

\(1 \over 2\)

Class 10 Maths3)The total number of events of throwing 10 coins simultaneously is

Correct Option: E

1024

Class 10 Maths4)The chance of throwing 5 with an ordinary die is

Correct Option: A

\(1 \over 6\)

Class 10 Maths5)The letters of the word SOCIETY are placed at random in a row. The probability of getting a vowel is

Correct Option: B

\(3 \over 7\)

Class 10 Maths6)Cards bearing numbers 3 to 20 are placed in a bag and mixed thoroughly. A card is taken out from the bag at random. The probability that the number on the card taken out is an even number, is

Correct Option: D

\(1 \over 2\)

Class 10 Maths7)The total events to throw three dice simultaneously is

Correct Option: A

216

Class 10 Maths8)A girl calculates that the probability of her winning the first prize in a lottery is \(8\over 100\) . If 6,000 tickets are sold, how many tickets has she bought?

Correct Option: A

480

Class 10 Maths9)One card is drawn from a well-shuffled deck of 52 cards. The probability that the card will not be an ace is

Correct Option: C

\(12 \over 13\)

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