The difference between the ages of two sisters is 2 years when father's age was 52. Father is elder by 2 years to mother. Elder sister's age is half of mother's age. Find the age of younger sister.
The marked prices of big and small note books are Rs. 10 and Rs. 15 respectively. A student bought 5 dozen small and 10 dozen big note books at a total discount of 5%. Find the total discount amount.
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Find the value of \(\frac{(525+252)^2-(525-252)^2}{525\times252}\).
If 2cosθ = \(\sqrt{3}\), cosθ x tanθ = ?
1
\(\frac{\sqrt{3}}{3}\)
\(\frac{\sqrt{3}}{2}\)
\( \frac{1}{2} \)
A man has equal number of five, ten and twenty rupee notes amounting to Rs. 385. Find the total number of notes?
Note: For this question, discrepancy is found in question/answer. So, This question is ignored for all candidate