IMO- Mathematics Olympiad Class 10: Questions 101 - 105 of 908

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Question number: 101

» Polynomials

MCQ▾

Question

Every cubic polynomial can have at the most ________

Choices

Choice (4) Response

a.

Five zeroes

b.

Nine zeroes

c.

Seven zeroes

d.

Three zero

Question number: 102

» Pair of Linear Equations in Two Variables

MCQ▾

Question

The equations representing the given graph is ________

Points are marked on the graph

Points Are Marked on the Graph

Given the points in graph and find the equations

Choices

Choice (4) Response

a.

7x+7y=15;7x+18y=25

b.

13x17y=60;18y6x=14

c.

15x16y=14;17y6x=19

d.

7x+11y=9;7x+11y=13

Question number: 103

» Pair of Linear Equations in Two Variables

MCQ▾

Question

A pair of linear equations in two variables x and y is a1x+b1y+c1=0 and a2x+b2y+c2=0 , such that a1a2c1c2 , then it has ________.

Choices

Choice (4) Response

a.

Unique solution

b.

Can’t say

c.

No solution

d.

Infinitely many solutions

Question number: 104

» Pair of Linear Equations in Two Variables

MCQ▾

Question

The digit at the ten’s place of a two digit number is twice the digit at the unit’s place. If the sum of this number and the number formed by reversing the digits is 165, find the number.

Choices

Choice (4) Response

a.

63

b.

24

c.

105

d.

52

Question number: 105

» Polynomials

MCQ▾

Question

If αandβ are two numbers such that α+β=20,αβ=10 . Then αandβ are the roots of the quadratic equation ________

Choices

Choice (4) Response

a.

x2+20x75=0

b.

x220x+75=0

c.

x220x75=0

d.

x2+20x+75=0

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