Question
If tan 2A = cot(A – 30°), then find the value of sec(A + 20°)
If tan 2A = cot(A – 30°), then find the value of sec(A + 20°)
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Class: Class 10
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Question
Two circles touch each other externally at point C. A direct common tangent AB touches the two circles at points A and B. Find the value of ∠ACB.
Two circles touch each other externally at point C. A direct common tangent AB touches the two circles at points A and…
Question
In ΔABC, L and M are two points on the sides AC and BC respectively such that LM || AB and AL are (x – 2) units, AC = 2x + 3 units, BM = (x – 3) units and BC = 2x units. Determine the value of x.
In ΔABC, L and M are two points on the sides AC and BC respectively such that LM || AB and AL…
Question
AB and CD are two chords of a circle. If we extend BA and DC, they intersect each other at point P. Prove that ∠PCB = ∠PAD.
AB and CD are two chords of a circle. If we extend BA and DC, they intersect each other at point P.…
Question
If b ∝ a³ and a increase in the ratio of 2 : 3, then find in what ratio b will be increasesed .
If b ∝ a³ and a increase in the ratio of 2 : 3, then find in what ratio b will be…
Question
If the sum of the roots of the equation x² – x = k(2x – 1) is 2, then find the value of K.
If the sum of the roots of the equation x² – x = k(2x – 1) is 2, then find the value…
Question
In a business capitals of A and B are in the ratio [katex]\frac{1}{7}[/katex] : [katex]\frac{1}{4}[/katex] If they make a profit of ₹ 11,000 at the end of the year, calculate the share of their profit.
In a business capitals of A and B are in the ratio : If they make a profit of ₹ 11,000 at…
Question
Find the rate of simple interest per annum when the interest of some money in 5 years will be [katex]\frac{2}{5}[/katex] part of its principal.
Find the rate of simple interest per annum when the interest of some money in 5 years will be part of its…
Question
State True or False: The Mode of the data 5, 2, 4, 3, 5, 2, 5, 2, 5, 2 is 2.
State True or False: The Mode of the data 5, 2, 4, 3, 5, 2, 5, 2, 5, 2 is 2.
Question
State True or False: If the numerical values of the curved surface area and volume of a sphere are equal, then the radius will be 3 units.
State True or False: If the numerical values of the curved surface area and volume of a sphere are equal, then the…