Quiz Discussion

If the price of a commodity is decreased by 20% and its consumption is increased by 20%, what will be the increase or decrease in expenditure on the commodity?

• 1] 4% increase
• 2] 4% decrease
• 3] 8% increase
• 4] 8% decrease

Every month a man consumes 25 kg rice and 9 kg wheat. The price of rice is 20% of the price of wheat and thus he spends total Rs. 350 on the rice and wheat per month. If the price of wheat is increased by 20% then what is the percentage reduction of rice consumption for the same expenditure of Rs. 350? Given that the price of rice and consumption of wheat is constant :

• 1] 40%
• 2] 25%
• 3] 36%
• 4] 24%
• 5] Cannot determined

Two tailors X and Y are paid a total of Rs. 550 per week by their employer. If X is paid 120 percent of the sum paid to Y, how much is Y paid per week?

• 1]

  Rs. 200

• 2]

  Rs. 250

• 3]

  Rs. 300

• 4]

  None Of These

A fraction in reduced form is such that when it is squared and then its numerator is reduced by 33 1/3 % and denominator is reduced to 20%, its result is twice the original fraction. The sum of numerator and denominator is:

• 1] 8
• 2] 13
• 3] 17
• 4] 15
• 5] None of these

The length, breadth and height of a room in the shape of a cuboid are increased by 10%, 20% and 50% respectively. Find the percentage change in the volume of the cuboid.

• 1] 77%
• 2] 75%
• 3] 88%
• 4] 98%
• 5] 99%

The difference between a number and its two-fifth is 510. What is 10% of that number ?

• 1]

  75

• 2]

  85

• 3]

  95

• 4]

  105

After three successive equal percentage rise in the salary the sum of 100 rupees turned into 140 rupees and 49 paise. Find the percentage rise in the salary.

• 1] 12%
• 2] 22%
• 3] 66%
• 4] 82%
• 5] 77%

A clock is set right at 12 noon on Monday. It losses 1/2 % on the correct time in the first week but gains 1/4 % on the true time during the second week. The time shown on Monday after two weeks will be

• 1] 12 : 25 : 12
• 2] 11 : 34 : 48
• 3] 12 : 50 : 24
• 4] 12 : 24 : 16
• 5] None of these

express 62.5% as a fraction

• 1]

  1/2

• 2]

  5/8

• 3]

  3/8

• 4]

  7/8

If two numbers are respectively 30% and 40% more than a third number, what percent is the first of the second?

• 1]

  %

• 2]

  %

• 3]

  80%

• 4]

  75%