NCO- Cyber Olympiad Class 9: Questions 83 - 88 of 410

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Question number: 83

» Mental Ability » Basic Arithmetic

MCQ▾

Question

How many liters of 80% nitrogen solution should be added to 20 liters of a 40% nitrogen solution to make a 60% solution?

Choices

Choice (4) Response

a.

20 liters

b.

30 liters

c.

90 liters

d.

60 liters

Question number: 84

» Mental Ability » Basic Algebra

MCQ▾

Question

The solution of the equations 2X3Y=7 , 4X6Y=20 is

Choices

Choice (4) Response

a.

X=18,Y=12

b.

X=8,Y=5

c.

X=0,Y=0

d.

There is no solution

Question number: 85

» Logical and Analytical Reasoning » Logical Sequence of Words

MCQ▾

Question

If the first four letters of the word ‘M A N A G E M E N T’ are reversed, then last two letters are added and then the remaining letters are reversed and added, then which letter will be exactly in the middle?

Choices

Choice (4) Response

a.

M

b.

S

c.

A

d.

G

Question number: 86

» Mental Ability » Basic Arithmetic

MCQ▾

Question

In a pure platinum solution quantity of Sterling platinum is 90.2% . How many grams of sterling platinum must be mixed to a 80% platinum alloy to obtain a 500 gm of a 91% platinum alloy?

Choices

Choice (4) Response

a.

650 gm

b.

548 gm

c.

439 gm

d.

539 gm

Question number: 87

» Logical and Analytical Reasoning » Logical Sequence of Words

MCQ▾

Question

If dust is called air, air is called fire, fire is called water, water is called colour, colour is called rain and rain is called dust, where do fish live?

Choices

Choice (4) Response

a.

Colour

b.

Dust

c.

Fire

d.

Water

Question number: 88

» Logical and Analytical Reasoning » Logical Sequence of Words

MCQ▾

Question

Supply the right letter for the question mark (? ) in the following:

Image define the series of letters

Image Define the Series of Letters

Showing image define the series of letter find the letter for question mark

Choices

Choice (4) Response

a.

P

b.

Q

c.

U

d.

V

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