For the following questions answer them individually
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 maturity value after three years, of a certain sum at 15% p.a. simple interest, is Rs. 8,700/-. Find the principal amount.
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.
An event happening once in 4 years is described as
Read the following data carefully and answer the question based on it.
(i) 'A + G' means 'A is mother of G'
(ii) '$$A \div G$$' means 'A is daughter of G'
(iii) 'A — G' means 'A is husband of G'
(iv) '$$A \times G$$' means 'A is maternal aunt of G'
If L + M x N then how is L related to N?
Find the value of $$[(525 + 252)^2 - (525 - 252)^2 ]/ (525 \times 252)$$.
If $$ 2 \cos \theta = \surd 3, \cos \theta x \tan \theta$$ = ?
A man has equal number of five, ten and twenty rupee notes amounting to Rs. 385. Find the total number of notes?
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