Quiz Discussion

The actual area of a rectangle is 60 Cm2, but while measuring its length a student decreases it by 20% and the breadth increases by 25%. The percentage error in area, calculated by the student is :

Course Name: SQL -Structured Query Language

  • 1] 5%
  • 2] 15%
  • 3] 20%
  • 4] No change
Solution
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# Quiz
1
Discuss

If A's salary is 25% more than B's salary, then B's salary is how much lower than A's salary?

  • 1]

     %

  • 2]

    25%

  • 3]

    20%

  • 4]

Solution
2
Discuss

The number which exceeds 16% of it by 42 is :

  • 1]

    50

  • 2]

    52

  • 3]

    58

  • 4]

    60

  • 5]

    None Of These

Solution
3
Discuss

The population of village is 1,00,000. The rate of increase is 10% per annum. Find the population at the start of the third year?

  • 1] 1,33,100
  • 2] 1,21,000
  • 3] 1,18,800
  • 4] 1,20,000
  • 5] None of these
Solution
4
Discuss

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
Solution
5
Discuss

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

Solution
6
Discuss

In the Science City, Kolkata the rate of the ticket is increased by 50% to increased the revenue but simultaneously 20% of the visitor decreased. What is percentage change in the revenue. if it is known that the Science city collects one revenue only from the visitors and it has no other financial supports:

  • 1] +20%
  • 2] -25%
  • 3] +30%
  • 4] -30%
  • 5] Cannot determined
Solution
7
Discuss

Half percent, written as a decimal, is

  • 1] 0.2
  • 2] 0.02
  • 3] 0.005
  • 4] 0.05
Solution
8
Discuss

What is 15 percent of Rs. 34.? 

  • 1]

    Rs 3.40

  • 2]

    Rs 3.75

  • 3]

    Rs 4.5

  • 4]

    Rs 5.1

Solution
9
Discuss

220% of a number X is 44. What is 44% of X.

  • 1] 8.8
  • 2] 8.9
  • 3] 6.6
  • 4] 7.7
Solution
10
Discuss

The cost of an article was Rs.75. The cost was first increased by 20% and later on it was reduced by 20%. The present cost of the article is:

  • 1] Rs. 72
  • 2] Rs. 60
  • 3] Rs. 75
  • 4] Rs. 76
Solution
# Quiz