51.

A electric pump can fill a tank in 2 hours. Because of a leak in the tank, it was taking  to fill the tank. The leak can drain all the water off the tank in how many hours?

• 9 hours

• 10 hours

• 
• 

Find the marked price if the selling price is ₹ 9,250/- and discount is 

• ₹ 9,000/-

• ₹ 8556.25/-

• ₹ 10,000/-

• ₹ 10,000/-

A certain amount of money is divided between A and B in the ratio of 5:6. If B gets ₹360/-, the amount is

• ₹660/-

• ₹560/-

• ₹680/-

• ₹680/-

The length of a rectangle is increased by 25%. To maintain the same area, the breadth has to be increased by

• 20%

• 25%

• 30%

• 30%

A car takes 5 hours to cover 100 km distance at a particular speed whereas another car takes 3 hours to reach a particular distance at the same speed. Find the distance.

• 40 km

• 60 km

• 70 km

• 70 km

A sum of ₹ 1,200/- is lent to be paid back in 5 equal annual instalments of ₹ 264 each. The rate of interest per annum is

• 6%

• 8%

• 2%

• 2%

Among below expressions which one can be expressed as the difference of two cubic expressions?

If , then the value of  is

• 1

• -1

• 0

• 0

The line segment AB intersects the straight line CD at B; AB will be smallest when  is

Which of the following is not true for a rhombus?

• All sides are congruent

• Opposite sides are parallel

• Diagonals are equal

• Diagonals are equal