For the following questions answer them individually
AB and CD are two parallel chords of a circle such that AB = 10 cm and CD = 24 cm. If the chords are on the opposite sides of the centre and distance between them is 17 cm, then the radius of the circle is :
The average of 50 numbers is 38. If two numbers namely 45 and 55 are discarded, the average of the remaining numbers is :
If $$\frac{x}{x^2-2x+1}=\frac{1}{3}$$ then the value of $$x^{3}+\frac{1}{x^3}$$ is :
The marked price of a mixie is 1600, The shopkeeper gives successive discounts of Question 10% and x% to the customer. If the customer pays 1224 for the mixie, find the value of x
‘Given A is 50% larger than C and B is 25% larger than C, then A is what percent larger than B?
A chord AB of a circle $$C_1$$ of radius $$\left(\sqrt{3}+1\right)$$ cm touches a circle $$C$$ which is concentric to $$C_1$$ . If the radius of $$C$$ is $$\left(\sqrt{3}-1\right)$$ cm., the length of AB is :
If $$(x+\frac{1}{x})=4$$ then the value of $$x^{4}+\frac{1}{x^4}$$ is
The perimeter of the base of a right circular cone is 8 cm. If the height of the cone is 21 cm, then its volume is:
A circular road runs around a circular ground. If the difference between the circumferences of the outer circle and the inner circle is 66 metres, the width of the road is:
If sec θ + tan θ = 2 + √5, then the value of sin θ + cos θ is :
Day-wise Structured & Planned Preparation Guide
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