# Mental Ability (NCO- Cyber Olympiad Class 6): Questions 382 - 384 of 394

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## Question number: 382

» Mental Ability » Number Games » Number Series

MCQ▾

### Question

One number in this sequence is wrong. 15, 23, 31, 39, 49, 55

What change should be made to correct this sequence?

### Choices

Choice (4) Response

a.

39 should be replaced by 38

b.

31 should be replaced by 33

c.

55 should be replaced by 53

d.

49 should be replaced by 47

## Question number: 383

» Mental Ability » Basic Arithmetic

Appeared in Year: 2011

MCQ▾

### Question

Ms. Shah’s class measured the lengths of a plant for a week they had planted. The given table shows the growth of plant. Find the days between which the plant grown less?

 Measurements of growth of a plant Day Growth (cm) Monday 0.5 Tuesday 1.2 Wednesday 1.8 Thursday 2.7 Friday 3.5

### Choices

Choice (4) Response

a.

Wednesday-Thursday

b.

Tuesday-Wednesday

c.

Monday-Tuesday

d.

Thursday-Friday

## Question number: 384

» Mental Ability » Basic Arithmetic

Appeared in Year: 2011

MCQ▾

### Question

Freya put 5 cylinders on the right side of a balance scale, as shown in the figure. Each cylinder weighs 8 kg. Freya has circles that weigh 5 kg each. How many circles should she put on the left side of the scale so that both sides weigh the same?

### Choices

Choice (4) Response

a.

8

b.

12

c.

5

d.

6

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