Question
Two trains running in a opposite directions crosses pole
in 84s and 57s respectively and they cross each other in 72s. Find the ratio of their speeds?Solution
The number of boys and girls in a school is 280 and 340 respectively. 35% of boys left the school while 10 girls took admission in the school. Find the ...
In physics examination a student scored 45% marks in the first paper out of 160. How much percent marks should he score in the second paper out of 140 ...
Person P allocated 35% of his salary to his son for school fees. From the remaining amount, he saved 40% in his bank account. The...
In an examination, the passing percentage is 35%. 'P' scores 8% less than the passing marks, and 'Q' scores 25% less than 'P'. What percentage less (up ...
Rajesh spent 49% of his monthly income on food and 51% of the remaining of study. If total monthly savings (after spending on food and study) of Rajesh ...
The amount (in Rs) received at 10% per annum compound interest after 3 yrs is Rs 1,19,790. What was the principal?
The respective ratio of monthly income of A to monthly income of B is 7:8, and A’s saving is (100/8)% more than B’s saving. Find the expenditure of ...
The station master decides that the length of the rectangular digital board be increased by 5% and the width be reduced to 7%. Find out the total change...
The ratio of the monthly earning of A to that of B is 5:7.If monthly earning of A increased by 25% and that of B decreased by 60% the new ration between...
A shopkeeper sells apples. He sells x% of the stock each day and x/5% of the remaining apples gets spoiled overnight, then he sells the remaining apples...
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