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Let the speed of car A = 15x km/h and the speed of car B = 17x km/h. Here the time is constant. According to question, => 17x – 15x = 10 => 2x = 10 => x = 5 Distance travelled by car B = 17 × 5 = 85 km
In class ‘C’, the number of girls is 25% more than that of boys while in class ‘D’ the number of girls is 40% more than that of boys. If the tot...
Suyash have total amount of Rs.2800 out of which, he spent 25% on food, 30% of the rest on travelling. Out of remaining amount he spends Rs.800 on misce...
A man donated 15%, 20% and 23% of his income to three NGOs ‘A’, ‘B’ and ‘C’, respectively. They spent 75%, 80% and 50% of respective sums re...
Sahil spends 30% of his monthly income on food articles, 40% of the remaining on conveyance and clothes and saves 50% of the remaining. If his monthly s...
A person gives 20% of his salary to his wife and 25% of the remaining to his children. Now he is left with Rs. 27000. What is his total salary?
The only expenses of Arun are on grocery, rent and fun expenses. Arun spent Rs. 2,750 on fun, amount spent by him on rent is Rs. 9,000 more than that on...
A sum of money invested at simple interest amounts to Rs. 16800 in 2 years and to Rs. 23100 in 9 years. What is the rate of simple interest per annum?
Monthly savings of X is 58% of his monthly income which is Rs. 5000. If ratio of monthly expenditure of Y and X is 15:8 respectively and monthly savings...
In the Reebok factory, there are two units of workers, I and II, with a strength ratio of 2:1. The ratio of male to female in Unit I is 3:1, and in Unit...
The price of a commodity has risen by 40%, leading to a 25% decrease in the quantity sold. What is the overall impact on total revenue?
