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The minute hand of clock is √21 cm long. The area described by a minute hand on the face of the clock between 7 am and 7.05 am is
Read the following facts about a family and answer the question that follow them
1. In a family of six persons, R S T X Y Z and F there are two married couples.
2. R is grandmother of X and mother of Y ?
3. Z is wife of Y and mothe of T
4. T is the grand daughter of S
What is Z to X ?
If 4 x4 − 4 x3 − 7 x2 − 4 x + 4 = 0 ; then x =
If cos 2A = 1 − 2sin2 A, and A = 15o the value of sin 15o =
1 docs|65 tests
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1 docs|65 tests
|