Koushik can do a piece of work in X days and Krishnu can do the same work in Y days. If they work together, then they can do the work in
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In ΔABC, D and E are points on side AB and AC respectively. DE is parallel to BC. If lengths of AD, DB and DE are 9 cm, 6 cm and 5.4 cm respectively find length of BC?
If a + b = 10 and ab = 24, then the value of a3 + b3 is
If (7x - 13) (12x + 3) = 14, then the value of x is ______ .
If 2(5x - 4) - 2 < 2x - 1 < 4x - 2; then the value of x is
What is the value of 128 + 7232
129 meter from the foot of a cliff on level of ground, the angle of elevation of the top of a cliff is 30°. The height of this cliff is
If the circumference of a circle is 44 cm, then what must be its area (in cm²)?
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