In a class of 40 students and 8 teachers, each student got gifts that were 20% of total number of students and each teacher got gifts that were 15% of t...
Kalpana allocates 30% of her monthly income to educational expenses and spends 60% of what remains on clubbing activities. If she spends Rs. 3024 on clu...
A girl spent 40% of her monthly income on clothing. Of the remaining, she spent on travel and food in the ratio of 7:5. If the difference of the income ...
Sujata allocated 40% of her annual income to a fixed deposit. She then spent 25% of the remaining amount on house rent and 15% on food. After these expe...
A student multiplied a number by 8/5 instead of 5/8. What is the percentage error in the calculation?
Manmeet decided to donate 20% of her salary to an NGO. On the day of donation she changed her mind and donated Rs. 13520 which was 80% of what she decid...
If the numerator of a fraction is increased by 16.66 % and denominator decreased by 14.28 % then, it becomes the reciprocal of itself. Find the original...
A student has to obtain 35% of the total marks to pass. He got 214 marks and failed by 31 marks. What are the maximum marks?
There were two candidate in an election. 15% of the total voters did not cast their votes whereas 10% of the casting votes were declared invalid. If the...
In an English test, a man scored 40% marks and failed by 40 marks. If he had scored 160 more marks, he would’ve got 60% of the total marks. Find the p...