Mental Ability (NCO- Cyber Olympiad Class 9): Questions 50 - 54 of 219

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 410 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 300.00 or

Question number: 50

» Mental Ability » Basic Arithmetic

MCQ▾

Question

How many liters of 50% silicon solution should be added to 70 liters of a 30% silicon solution to make a 40% solution?

Choices

Choice (4) Response

a.

70 liters

b.

80 liters

c.

10 liters

d.

20 liters

Question number: 51

» Mental Ability » Ranking Test

MCQ▾

Question

Some friends are standing on ground. Somya is standing next to Meet and Radhika is next to Manali. Manali is not standing with Prem. Prem is on the right end of the ground and Radhika is in second position from left hand side. Meet is on the left side of Somya and Somya to the left side of Prem. Meet and Radhika are sitting together. Who is sitting in the center?

Choices

Choice (4) Response

a.

Manali

b.

Somya

c.

Meet

d.

Radhika

Question number: 52

» Mental Ability » Basic Algebra

MCQ▾

Question

If m=abcd(abbc) then b equals

Choices

Choice (4) Response

a.

m1 + cd

b.

abcd-ma-m

c.

m(ab-b)ca

d.

mabmc + acd

Question number: 53

» Mental Ability » Basic Algebra

MCQ▾

Question

The solution of the equations 4X3Y=34,2X5Y=10 is

Choices

Choice (4) Response

a.

X=8,Y=2

b.

X=0,Y=0

c.

X=2,Y=10

d.

X=10,Y=2

Question number: 54

» Mental Ability » Basic Arithmetic

MCQ▾

Question

In a family, the uncle took 16 of the lava cake and he had 6 times as much as each of the other members had. The total number of family member is ________

Choices

Choice (4) Response

a.

43

b.

31

c.

39

d.

21

f Page
Sign In