Basic Mathematics-Arithmetic (KVPY Stream-SA (Class 11) Math): Questions 79 - 83 of 83

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Question number: 79

» Basic Mathematics » Arithmetic » Rates, Speeds and Unitary Method

Appeared in Year: 2016

MCQ▾

Question

There are two candles of same length and same size. Both of them burn at uniform rate. The first one burns in Equation and the second one burns in Equation . Both the candles are lit together. After how many minutes the length of first candle is Equation times that of the other?

Choices

Choice (4) Response

a.

150

b.

90

c.

135

d.

120

Question number: 80

» Basic Mathematics » Arithmetic » Simplifying Expressions

Appeared in Year: 2016

MCQ▾

Question

Consider the equation Equation , where Equation are real numbers. Then,

Choices

Choice (4) Response

a.

There are infinitely many solution pairs Equation

b.

There is no solution pair Equation

c.

There are exactly two solution pairs Equation

d.

There is exactly one solution pair Equation

Question number: 81

» Basic Mathematics » Arithmetic » Simplifying Expressions

Appeared in Year: 2016

MCQ▾

Question

Let Equation be real number such that Equation for some positive integers Equation and Equation . Then for any choice of positive integers Equation and Equation , Equation is never equal to –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 82

» Basic Mathematics » Arithmetic » Exponents, Roots and Logarithms

Appeared in Year: 2016

MCQ▾

Question

The number of digits in decimal expansion of Equation is,

Choices

Choice (4) Response

a.

18

b.

16

c.

19

d.

17

Question number: 83

» Basic Mathematics » Arithmetic » Number Games

Appeared in Year: 2016

MCQ▾

Question

Let Equation be non – zero real numbers such that

Equation

Then –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

The sign of Equation or Equation depends on the choice of Equation

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