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Find T, if T = 2a – b, a = 7 and b = 3.
Concept: undefined >> undefined
From the formula B = 2a2 – b2, calculate the value of B when a = 3 and b = − 1.
Concept: undefined >> undefined
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The wages ₹ W of a man earning ₹ x per hour for t hours are given by the formula W = xt. Find his wages for working 40 hours at a rate of ₹ 39.45 per hour.
Concept: undefined >> undefined
The temperature in the Fahrenheit scale is represented by F and the temperature in the Celsius scale is represented by C. If F = `9/5` × C + 32, find F when C = 40.
Concept: undefined >> undefined
If all the angles of a hexagon are equal, find the measure of each angle.
Concept: undefined >> undefined
State, whether the given set is infinite or finite:
{3, 5, 7, ………}
Concept: undefined >> undefined
State, whether the given set is infinite or finite:
{………., -3, -2, -1, 0, 1, 2}
Concept: undefined >> undefined
State, whether the given set is infinite or finite:
{1, 2, 3, 4}
Concept: undefined >> undefined
State, whether the given set is infinite or finite:
{20, 30, 40, 50, …, 200}
Concept: undefined >> undefined
State, whether the given set is infinite or finite:
{7, 14, 21, ……….., 2401}
Concept: undefined >> undefined
Is the following set is empty?
Set of counting numbers between 5 and 6
Concept: undefined >> undefined
Is the following set is empty?
Set of odd numbers between 7 and 9
Concept: undefined >> undefined
Is the following set is empty?
Set of even numbers which are not divisible by 2
Concept: undefined >> undefined
Is the following set is empty?
Set of odd numbers between 7 and 19
Concept: undefined >> undefined
State, whether the following is a finite or infinite set:
Set of integers
Concept: undefined >> undefined
State, whether the following is a finite or infinite set:
{Multiples of 5}
Concept: undefined >> undefined
State, whether the following is a finite or infinite set:
{Fractions between 1 and 2}
Concept: undefined >> undefined
State, whether the following is a finite or infinite set:
Set of trees in the world
Concept: undefined >> undefined
State, whether the following is a finite or infinite set:
{ …….., -4, -2, 0, 2, 4, 6, 8}
Concept: undefined >> undefined
