Quiz Discussion

In an examination 80% candidates passed in English and 85% candidates passed in Mathematics. If 73% candidates passed in both these subjects, then what per cent of candidates failed in both the subjects?

• 1] 8
• 2] 15
• 3] 27
• 4] 35

(X% of Y) + (Y% of X) is equal to:

• 1] X% of Y
• 2] 20% of XY
• 3] 2% of XY
• 4] 2% of 100 XY

express 62.5% as a fraction

• 1]

  1/2

• 2]

  5/8

• 3]

  3/8

• 4]

  7/8

the digit at unit place of a two-digit number is increased by 100% and the digit at ten places of the same number is incresed by 50% the new number thus formed is 19 more then the original number. what is the original number?

• 1]

  22

• 2]

  63

• 3]

  24

• 4]

  None Of These

600 students took the test on Physics and chemistry. 35% students failed in Physics and 45% students failed in chemistry and 40% of those who passed in chemistry also passed in Physics, then how many students failed in both :

• 1] 16
• 2] 15
• 3] 13
• 4] 12

In a college, 40% of the students were allotted group A, 75% of the remaining were given group B and the remaining 12 students were given group C. Then the number of students who applied for the group is :

• 1]

  100

• 2]

  60

• 3]

  80

• 4]

  90

30% of a number when subtracted from 91, gives the number itself. Find the number.

• 1] 60
• 2] 65
• 3] 75
• 4] 70
• 5] None of these

If salary of X is 20% more than salary of Y, then by how much percentage is salary of Y less than X?

• 1]

  25

• 2]

  23

• 3]

  50/3

• 4]

  65/4

A company has 12 machines of equal efficiency in its factory. The annual manufacturing expenses are Rs. 24,000 and the establishment charges are Rs. 10,000. The annual output of the company is Rs. 48,000. The annual output and manufacturing costs are directly proportional to the no. of machines while the share holders get the 10% profit, which is directly proportional to the annual output of the company. If 8.33% of machines remained close throughout the year. Then the percentage decrease in the amount of share holders is :

• 1] 14.28%
• 2] 11.11%
• 3] 16.66%
• 4] 8.33%
• 5] None of these

The price of a car depreciates in the first year by 25% in the second year by 20% in third year by 15% and so on. The final price of the car after 3 years, if the present cost of the car is Rs. 10,00,000 :

• 1] 7,80,000
• 2] 1,70,000
• 3] 6,90,000
• 4] 5,10,000