22 - 33 + 43 - 62 = ?
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The difference between the ages of two sisters is 4 years when father's age is 54. Father is elder by 2 years to mother . Younger sister's age is half of mother's age. Find the age of elder sister.
Cos2 90° + Cosec2 90° - Cot2 45° = ?
Multitasking system specifically refers to
If P means '/', R means 'x', Q means '+' and S means '-', then 36 P 6 Q 7 R 8 S 11 =
Find the value of y(y4 - y2 - y) when y = 5.
How many prime numbers are there between the positive integers 60 and 100?
Find the odd statement : Two lines are perpendicular to each other if they are,