Rs. 750 invested for 3 months gave an interest of Rs. 18. What was the simple rate of interest per annum?
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Chords PQ and RS of a circle extended externally intersect at point T. Length of the segment PT, if lengths of QT, RT and ST are 9 cm, 18 cm and 6 cm respectively, is
When a number is increased by 216, it becomes 140% of itself. What is the number?
If cosθ1-sinθ+cosθ1+sinθ = 4, then the value of θ (0°<θ<90°)?
The value of sec217°-1tan273°-sin17°sec73°
If 13A = 11B = 8C, find A : B : C
If a3 + b3 = 28 and a + b = 4, then what is the value of ab?
What is the value of 34+122 ?