Playing with Numbers Test

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Playing with Numbers Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

The value of $\sqrt{0.04 \times \sqrt[3]{0.00064}}$ is:

A
$0.04$

B
$0.0004$

C
$0.004$

D
$0.4$

Solution

Given:
$\sqrt{0.04 \times \sqrt[3]{0.00064}}$
$= \sqrt{0.04 \times \sqrt[3]{{0.04}^{3}}}$
$= \sqrt{0.04 \times 0.04}$
$= 0.04$
Hence, the correct option is (A).
Question 2
1 / -0

Sachin scored twice as many runs as Rahul. Together, their runs fell two short of a double century. How many runs did Sachin score?

A
500

B
319

C
132

D
349

Solution

Let the Rahul scored $x$ runs.
Given that Sachin scored twice as many runs as Rahul.
Therefore, the runs scored by Sachin is $2 x$ .
Given that their total runs fell two short of double century.
Therefore,
$x + 2 x = 200 - 2$
$\Rightarrow 3 x = 198$
$\Rightarrow x = 66$
Therefore, the runs scored by Rahul is 66 and the runs scored by Sachin is, $2 \times 66 = 132$
Hence, the correct option is (C).
Question 3
1 / -0

Which of the following is a prime number?

A
$117$

B
$171$

C
$179$

D
None of these

Solution

$117$ is not a prime number because $117$ can be written as $3 \times 39$ .
$171$ is not a prime number because $171$ can be written as $19 \times 9$ .
$179$ is prime number.
Hence, the correct option is (C).
Question 4
1 / -0

Manish's salary in the year 2000 was Rs. 25782 and in 2005 was Rs. 45,721. By how much did his salary increase in these 4 years?

A
Rs. 18,972

B
Rs. 18,939

C
Rs. 19,939

D
Rs. 19,342
Question 5
1 / -0

Ankush's salary is Rs. 28732 and Manish's salary is Rs. 26823. How much more is Ankush's salary than that of Manish's?

A
Rs. 3909

B
Rs. 2909

C
Rs. 1900

D
Rs. 1909

Solution

Ankush's salary = Rs. 28732
Manish's salary = Rs. 26823
Ankush's salary more than that of Manish's=Ankush's salary-Manish's salary
=28732-26823
=1909
Hence, the correct option is (D).
Question 6
1 / -0

Earl weighs 82 pounds, whereas Steven weighs 66 pounds. How much heavier is Earl as compared to Steven?

A
18 pounds

B
17 pounds

C
16 pounds

D
19 pounds
Question 7
1 / -0

Ram has 92 marbles. If he is given 9 more marbles, how many marbles does he have in total?

A
92

B
83

C
101

D
100
Question 8
1 / -0

Twinkle gets Rs. 1500 from her parents. She buys a gift for her friend worth Rs. 987. How much money is left with Twinkle after buying the gift?

A
Rs. 413

B
Rs. 513

C
Rs. 613

D
Rs. 523
Question 9
1 / -0

At the start Helen has 9 oranges with her. She gets 29 more from Ann. How many oranges does Helen have with her at the end?

A
39

B
36

C
20

D
38
Question 10
1 / -0

In a game, Karan scored 48723 points and Arjun scored 52378 points. How many more points does Arjun score than Karan?

A
3755

B
3665

C
2655

D
3655
Question 11
1 / -0

Alisha has 4 stickers. Later, she buys 56 stickers more. How many stickers does Alisha have in all?

A
97

B
67

C
69

D
60

Solution

Given:
Alisha has 4 stickers.
Later, she buys 56 stickers more.
Total stickers=56+4
=60
Hence, the correct option is (D).
Question 12
1 / -0

Mala and Jaya have 2 and 26 peanuts respectively. If Jaya gives all of her peanuts to Mala, how many peanuts does Mala have?

A
28

B
24

C
30

D
25
Question 13
1 / -0

Jane removes 66 bottle caps from a jar. There were originally 97 bottles caps in the jar. How many bottle caps are left in the jar?

A
32

B
31

C
29

D
28
Question 14
1 / -0

There are 72 marbles in a box. Margaret takes 18 marbles. How many marbles are left in the box?

A
58

B
44

C
54

D
90
Question 15
1 / -0

The product of two numbers is $2.0016$ . If one of them is $0.72$ , find the other number.

A
$2.96$

B
$2.56$

C
$2.78$

D
$1.26$

Solution

Product of two numbers $= 2.0016$
One number $= 0.72$
Other number $= (2.0016 \div 0.72)$
$= \frac{2.0016}{0.72}$
$= \frac{20016}{10000} \times \frac{100}{72}$
$= \frac{139}{50}$
$= \frac{139 \times 2}{50 \times 2}$
$= \frac{278}{100}$
$= 2.78$
Hence, the correct option is (C).

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Re-Attempt Weekly Quiz Competition

Playing with Numbers Test - 1

Result

Playing with Numbers Test - 1

Score

-

Rank

-

SHARING IS CARING

Question 1

0.04

0.0004

0.004

0.4

Solution

Question 2

500

319

132

349

Solution

Question 3

117

171

179

None of these

Solution

Question 4

Rs. 18,972

Rs. 18,939

Rs. 19,939

Rs. 19,342

Question 5

Rs. 3909

Rs. 2909

Rs. 1900

Rs. 1909

Solution

Question 6

18 pounds

17 pounds

16 pounds

19 pounds

Question 7

92

83

101

100

Question 8

Rs. 413

Rs. 513

Rs. 613

Rs. 523

Question 9

39

36

20

38

Question 10

3755

3665

2655

3655

Question 11

97

67

69

60

Solution

Question 12

28

24

30

25

Question 13

32

31

29

28

Question 14

58

$0.04$

$0.0004$

$0.004$

$0.4$

$117$

$171$

$179$

$2.96$

$2.56$

$2.78$

$1.26$