Question
If A denote ÷, B denotes x, C denotes + and D denotes
-, what is the value of 16 B 20 A 4 C 5 D 6?Solution
16 B 20 A 4 C 5 D 6 = 16 × 20 ÷ 4 + 5 - 6 = 16 × 5 + 5 - 6 = 80 + 5 - 6 = 79 .
In the given figure, two identical circles of radius 4 cm touch each other. A and B are the centres of the two circles. If RQ is a tangent to the circle...
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Let two chords AB and AC of the larger circle touch the smaller circle having same centre at X and Y. Then XY = ?
Two concentric circles of radii 10 cm and 6 cm are given. Find the length of the chord of the larger circle which touches the smaller circle.
Let A, B, and C be the mid-points of sides PQ, and QR PR, respectively, of ΔPQR. If the area of ΔPQR is 64cm², then find the area of ΔABC.
...The scores obtained by a student in his last 15 tests are 14, 22, 18, 22, 14, 14, 28, 30, 14, 22, 18, 30, 20, 22, and 30. Find the difference between th...
The lengths of three medians in a triangles are 15 cm, 20 cm, 25 cm. What is the area of that traingle (in cm 2 )?
If O is circumcentre of acute angled triangle ABC, if ∠ BOC = 150˚ then ∠BAC = ?
In an acute-angled triangle XYZ, an altitude XP is drawn from vertex X to side YZ. A point O is located on XP such that XY = 12 cm, OY = 5 cm, and OZ = ...
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