The radius of a sphere and right circular cylinder is 'r'. Their volumes are equal. The ratio of the height and radius of the cylinder is

• 3 : 1

• 2 : 1

• 3 : 2

• 4 : 3

When a discount of â‚¹ 42/- is allowed on the marked price of an article, the new reduced price becomes 86% of the original price. Find the marked price.

• ₹ 250/-

• ₹ 300/-

• ₹ 350/-

• ₹ 400/-

A merchant buys 25 litre of milk daily at the rate of â‚¹ 12 per litre. He mixes 5 litre of water in it and sells at the rate of â‚¹ 10.40 per litre. His gain/loss is

• 8% profit

• 2% profit

• 4% profit

• 6% profit

A man spends 15% of his income. If his expenditure is â‚¹ 75, his income in (₹ 75) is:

• ₹ 400/-

• ₹ 300/-

• ₹ 750/-

• ₹ 500/-

To cover a distance with a speed of 60 km/hr, a train takes 15 hours. If it covers the same distance in 12 hours, what will be its speed?

• 65 km/hr

• 70 km/hr

• 75 km/hr

• 80 km/hr

Sum of three consecutive integers is 51. The middle one is

• 14

• 15

• 16

• 17

57.

If  then the value of  is:

• 

• 

• 

• 

The point of intersection of all the three medians of a triangle is called its

• Orthocentre

• Incentre

• Centroid

• Circumcentre

The area of a triangle with vertices A(0, 8), O(0, 0) and B (5, 0) is

• 8 sq units

• 13 sq units

• 20 sq units

• 40 sq units

The least number that must be subtracted from 1294 so that the remainder when divided by 9, 11, 13 will leave in each case the same remainder is 

• 2

• 3

• 1

• 4