TCS NQT || APTITUDE || PERCENTAGE || CLASS PRACTICE

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Question 1

The length and breadth of a cuboid are increased by 10% and 20%, respectively, and its height is decreased by 20%. The percentage increase in the volume of the cuboid is

  • 5 4/5%

  • 5 1/5 %

  • 5 2/5 %

  • 5 3/5 %

Question 2

If a is the rate per cent corresponding to the fraction 24/25, and if 30 km is b% of 40 km, then what percentage (correct upto two decimal places) is b of a2?

  • 0.81

  • 78.13

  • 7.81

  • 8.13

Question 3

The average value of eleven numbers is what percentage of half the sum of the said numbers?

  • 55%

  • 18.18%

  • 182.82%

  • 550%

Question 4

The length of a rectangle is increased by 331/3%. By what percent must the breadth be decreased so as to maintain its area the same?

  • 20%

  • 30%

  • 25%

  • 24%

Question 5

The ratio of the number of girls to that of boys in the class is 9:11. If 11(1/9)% of the girls and 9 (1/11)% of the boys do not like mathematics, then find the percentage of students who like mathematics.

Enter the answer in the space given below provided on the screen. The answer should be in whale numbers and does not include symbols.

  • 90%

  • 40%

  • 80%

  • 77%

Question 6

In a class, the average weight of urban students is 68 kg. Whereas the same for rural] students is 54 kgs. The average weight of the entire class is 62.4 kg. What is the percentage of rural students in the class?

  • 40%

  • 36%

  • 35%

  • 32%

Question 7

Aslam drives to his office, if he increases his average speed by (12%) then by what percentage (correct to two decimal places) will his time of travel decrease?

  • 10.34

  • 11.02

  • 10.71

  • 12.00

Question 8

A metallic cuboid is processed by way of which its length, breadth and height increased by 10% and decreased by 8% and increased by 5% respectively. What is the percentage (Correct upto 2 decimal values) change in its volume?

  • Increases by 6.26%

  • Increases by 1.20%

  • Decreases by 6.26%

  • Decreases by 1.20%

Question 9

At an academic institution the break-up of holidays in 2016 was as under.

  • 52 weekends
  • 30 days of summer vacation which includes 4 weekends
  • Autumn and Winter Breaks of (10+10) days each inclusive of one weekend
  • 14 holidays on special occasion out of which one was a Saturday and one Sunday

What was the percentage (correct up to two decimal places) of the number of holidays?

  • 45.90%

  • 42.08%

  • 42.19%

  • 43.73%

Question 10

Seema spends 5% of her total income in travelling and 20% of the rest spend in food and then she donate Rs. 120 and still she is left with Rs. 1400. Find her income.

  • 1500

  • 2000

  • 2500

  • 3000

There are 27 questions to complete.

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