# NCO- Cyber Olympiad (SOF) Class 10: Questions 49 - 54 of 461

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## Question 49

### Question

MCQ▾

If DATE is written in a certain code as 4567, DRIVE as 41237, what will be the 5th digit for DERIVED in the same code?

### Choices

Choice (4)Response

a.

7

b.

3

c.

2

d.

4

## Question 50

### Question

MCQ▾

A mathematics game uses a set of 56 cards. There are 5 cards for each of the numerals 0 - 9 and 6 wild cards. If the cards are shuffled, what is the probability that the top card is a wild card?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 51

### Question

MCQ▾

If each number in a set of six numbers is decreased by 2, then the arithmetic mean (average) of the original six numbers

### Choices

Choice (4)Response

a.

Remains the same

b.

Is increased by 2

c.

Is decreased by 2

d.

Is decreased by 4

## Question 52

### Question

MCQ▾

The mean weight of 90 students in a class is 70 kg. The mean weight of boys is 80 kg while that of the girls is 60 kg. The number of boys and girls are

### Choices

Choice (4)Response

a.

35,55

b.

45,45

c.

25,65

d.

60,30

## Question 53

### Question

MCQ▾

Direction: In the following question various faces of a cube are shown. Which number is opposite to 1? Four Different Positions of a Cube

### Choices

Choice (4)Response

a.

5

b.

4

c.

2

d.

3

## Question 54

### Question

MCQ▾

If in a certain code . What is the code for ‘CURIOUS’ ?

### Choices

Choice (4)Response

a.

6742578

b.

6732578

c.

6742758

d.

7642587