Section : Quantitative Aptitude
Ravi initially had a certain number of chocolates, while Bhanu initially had 50% of the number of chocolates that Ravi initially had.
Ravi gave 10% of his chocolates to his sister while Bhanu received from his uncle another 33â…“% of the number of chocolates he initially had.
If Bhanu finally had 54 chocolates, how many chocolates did Ravi give to his sister?
During a donation drive week at school, students determined to donate an average sum of ₹6,000 on each working day of the 5-day school week (Saturday excluded). There was no holiday in the donation week except Sunday.
From Monday to Friday, they collected ₹2,000, ₹6,435, ₹6,927, ₹6,855, and ₹5,000 respectively.
How much must they collect on Saturday to meet their target?
A money lender finds that due to charging at a simple rate of interest of 8% per annum, but he actually includes the interest amount in the principal when he calculates it every six months. The effective rate of interest becomes: