Mental Ability-Basic Algebra (NCO- Cyber Olympiad Class 9): Questions 8 - 15 of 101

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Question number: 8

» Mental Ability » Basic Algebra

MCQ▾

Question

If ax=cq=b and cy=az=d , then

Choices

Choice (4) Response

a.

x+y=q+z

b.

xy=qz

c.

xy=qz

d.

xy=qz

Question number: 9

» Mental Ability » Basic Algebra

MCQ▾

Question

If m=caba-b , then b equals

Choices

Choice (4) Response

a.

11 + c

b.

cab-ma-m

c.

m(a-b)ca

d.

mam + ca

Question number: 10

» Mental Ability » Basic Algebra

MCQ▾

Question

The factors of the expression (A2)2(B2)2 are

Choices

Choice (4) Response

a.

(A+B)

b.

(AB)

c.

(A2+B2)

d.

All a. , b. and c. are correct

Question number: 11

» 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: 12

» 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: 13

» Mental Ability » Basic Algebra

MCQ▾

Question

(a+1a)2=3 then (a3+1a3) equals

Choices

Choice (4) Response

a.

6

b.

0

c.

3

d.

9

Question number: 14

» 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: 15

» Mental Ability » Basic Algebra

MCQ▾

Question

The factors of the expression X4Y4 is

Choices

Choice (4) Response

a.

(XY)

b.

(X3+Y3)

c.

(X+Y)

d.

Both a. and c. are correct

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