HackerRank Simplifications and Approximations Quiz- 1

Question 1

Time: 00:00:00
Find 4% of one part of sixteen of 0.256

0.00064

0.00064

0.0064

0.0064

0.0032

0.0032

0.00032

0.00032

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Question 2

Time: 00:00:00
Find the value of x if [3+2$\div$(4-6)x5+2] = x

5

5

2

2

'0'

'0'

-7

-7

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Question 3

Time: 00:00:00
A teacher distributes chocolates equally to students in her class on Teachers day. The number of chocolate each student got was one-twentieth  of the number of students. If the number of students is reduced to half, each student would get 6 chocolates. Find the total number of students.

60

60

45

45

40

40

80

80

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Question 4

Time: 00:00:00
12% of x + x% of 56 = 36% of 125 + x% of 8

Find the value of x

36

36

50

50

75

75

80

80

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Question 5

Time: 00:00:00
Approximately what percentage of 3726 is the 30% of one-fifth of 7000?

24%

24%

15%

15%

3%

3%

11%

11%

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Question 6

Time: 00:00:00
$\frac{3}{8} \times \frac{4}{19} \times \frac{38}{39} \times x = 75$

Find the value of x

855

855

975

975

1025

1025

1250

1250

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Question 7

Time: 00:00:00
Find the value of $\sqrt{21+\sqrt{21+\sqrt{21+\sqrt{21......}}}}$ approximated to nearest integer

4

4

5

5

6

6

7

7

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Question 8

Time: 00:00:00
Find the value of $(19.92)^{2} + (24.108)^{2} + (22.029)^{2} + (24.89)^{2}$

2668

2668

2361

2361

2897

2897

2085

2085

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Question 9

Time: 00:00:00
Find the value of a+b if

a = 48 x 52

b = 945.11 ÷ 34.98 × 20.054

2678

2678

3063

3063

3396

3396

3821

3821

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Question 10

Time: 00:00:00
A group of 2 boys and 1 girl won a prize of Rs 2760. They divided the prize such that each of the boys get same amount..Find the sum of prize of one boy and a girl if a girl gets 44% of the total prize

2000.8

2000.8

1987.2

1987.2

1622.6

1622.6

1510.4

1510.4

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