Mathematics
Some students planned a picnic. The budget for the food was ₹ 2,400. As 8 of them failed to join the party, the cost of the food for each member increased by ₹ 50. Find how many students went to the picnic.
Related Questions
A shopkeeper buys x books for ₹ 720.
(i) Write the cost of 1 book in terms of x.
(ii) If the cost per book be ₹ 5 less, the number of books that could be bought for ₹ 720 would be 2 more.
Write down the equation in x and solve it to find x.
A fruit-seller bought x apples for ₹ 1,200.
(i) Write the cost price of each apple in terms of x.
(ii) If 10 of the apples were rotten and he sold each of the rest at ₹ 3 more than the cost price of each, write the selling price of (x − 10) apples.
(iii) If he made a profit of ₹ 60 in this transaction, form an equation in x and solve it to evaluate x.
A bus covers a distance of 240 km at a uniform speed. Due to heavy rain, its speed gets reduced by 10 km/hr and as such it takes two hours longer to cover the total distance. Assuming the uniform speed to be x km/hr, form an equation and solve it to evaluate x.
A man covers a distance of 100 km, traveling with a uniform speed of x km/hr. Had the speed been 5 km/hr more, it would have taken 1 hour less. Find x, the original speed.