IMO- Mathematics Olympiad Class 10: Questions 81 - 85 of 958

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Question number: 81

» Polynomials

MCQ▾

Question

If the zero of the quadratic polynomial Equation is 3, then the value of k is ________

Choices

Choice (4) Response

a.

-8

b.

-3

c.

6

d.

-1

Question number: 82

» Polynomials

MCQ▾

Question

If Equation are the roots of the cubicEquation , the value of Equation is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 83

» Pair of Linear Equations in Two Variables

MCQ▾

Question

At the end of the year 2006, Prit was half old as his grandpa. The sum of the years in which they were born is 3922. Age of Prit at the end of year 2007 is ________

Choices

Choice (4) Response

a.

21 years

b.

41 years

c.

31 years

d.

51 years

Question number: 84

» Pair of Linear Equations in Two Variables

MCQ▾

Question

Places Equation and Equation are 120 km apart from each other on a national highway. A car starts from Equation and another from Equation at the same time. If they go in the same direction then they meet in 6 hours and if they go in opposite directions they meet in Equation hours. The speeds of the cars are ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 85

» 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 99, find the number.

Choices

Choice (4) Response

a.

36

b.

52

c.

63

d.

24

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