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.

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.

If the sum of two natural numbers is 27 and their product is 182, then the smaller number is :

1. 13

2. 14

3. 16

4. 18

The sum of the squares of two consecutive odd natural numbers is 74. The greater number is :

1. 5

2. 7

3. 9

4. none of these