If  of a number exceeds its  by 8, then the number is:

• 130

• 120

• 160

• 150

52.

The rate of discount being given on a shirt, where selling price is Rs. 546 after deducting a discount of Rs. 109/- on its marked price is

• 14%

• 18%

• 15%

• 16%

If the ratio of two numbers is 1 : 5 and their product is 320, then the difference between the square of these two numbers is

• 1024

• 1256

• 1536

• 1435

Number of boys and girls are 'x' and 'y' respectively; ages of a girl and a boy are 'a' years and 'b' years respectively. The average age (in years) of all boys and girls is

A man bought 30 defective machines for Rs. 1,000/-. He repaired and sold them at the rate of Rs. 300 per machine. He got profit of Rs. 150 per machine. How much did he spend on repairs? (in Rs)

• Rs 5,500

• Rs 4,500

• Rs 3,500

• Rs 2,500

x is 5 times longer than y. The percentage by which y is less than x is

• 50%

• 40%

• 80%

• 70%

A motor cycle gives an average of 45 km per litre. If the cost of petrol is Rs. 20 per litre. The amount required to complete journey of 540 km is (in Rs):

• Rs. 120/-

• Rs. 360/-

• Rs. 200/-

• Rs. 240/-

A sum of money amounts to Rs 6,655/- at the rate of 10% compounded annually for 3 years. The sum of money is:

• Rs 5,000

• Rs 5,500

• Rs 6,000

• Rs 6,100

If x² - 4x + 1 = 0,   the value of :

• 48

• 52

• 55

• 58

If , then the value of  is

• 7

• 11

• 23

• 27