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##### objective Ques (9 results)
1)

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

Class 10 Maths
A)

5

B)

3

C)

1

D)

4

E)

7

2)

The probability of getting exactly one head in tossing a pair of coins is

Class 10 Maths
A)

0

B)

1

C)

2

D)

$$1 \over 2$$

3)

The total number of events of throwing 10 coins simultaneously is

Class 10 Maths
A)

2310

B)

4523

C)

1230

D)

1452

E)

1024

4)

The chance of throwing 5 with an ordinary die is

Class 10 Maths
A)

$$1 \over 6$$

B)

$$11 \over 6$$

C)

$$10 \over 6$$

D)

4

5)

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

Class 10 Maths
A)

$$1 \over 2$$

B)

$$3 \over 7$$

C)

$$14 \over 6$$

D)

$$1 \over 6$$

6)

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

Class 10 Maths
A)

$$1 \over 7$$

B)

$$7 \over 3$$

C)

$$21 \over 2$$

D)

$$1 \over 2$$

E)

$$1 \over 20$$

7)

The total events to throw three dice simultaneously is

Class 10 Maths
A)

216

B)

213

C)

201

D)

18

8)

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?

Class 10 Maths
A)

480

B)

490

C)

500

D)

510

9)

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

Class 10 Maths
A)

$$1 \over 13$$

B)

$$12 \over 14$$

C)

$$12 \over 13$$

D)

45

showing 1 - 9 results of 9 results