A and B together finish a job in 24 days, While A, B and C together can finish the same job in 8 days. C alone will finish the work in

• 12 days

• 14 days

• 16 days

• 24 days

52.

Area of the circle inscribed in a square of diagonal  (in cm²) is

• 

• 

• 

• 

The original price of a TV set is â‚¹6,000/-. If the price is discounted by 20% and then raised by 10% for service contract, the price charged by the shopkeeper is

• ₹ 5,400

• ₹ 5,280

• ₹ 5,100

• ₹ 4,200

A certain sum of money was divided between A, B and C in the ratio 5 : 6 : 9. If A received â‚¹ 450/-, the sum divided was:

• ₹ 2,000/-

• ₹ 1,800/-

• ₹ 2,250/-

• ₹ 1,000/-

By selling a bag at â‚¹ 230/-, profit of 15% is made. The selling price of the bag, when it is sold at 20% profit would be:

• ₹ 250/-

• ₹ 205/-

• ₹ 240/-

• ₹ 200/-

The weights of two iron balls are 3.5 kg and 7.5 kg. What is the percentage weight of the first ball with respect to second ball?

• 

• 35%

• 

• 45%

A bus travels at the speed of 36 km/hr, then the distance covered by it in one second is:

• 10 m

• 15 m

• 12.5 m

• 13.5 m

The value of  is

• 

• -1

• 2ab

• 1

The value of  is:

• 0

• 1

• -3

• 4

Δ ABC and Δ DEF are two similar triangles and the perimeter of ΔABC and ΔDEF are 30 cm and 18 cm respectively.  If length of DE = 36 cm, then the length of AB is

• 60 cm

• 40 cm

• 45 cm

• 50 cm