If one-third of one fourth of a number is 15, then three-tenth of that number is:

Number System
If one-third of one fourth of a number is 15, then three-tenth of that number is:

45

25

35

54

45

25

35

54

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Number System
What is the value of ? in the following equations ? 72/? = ?/50

100

80

40

60

100

80

40

60

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Number System
On a new year eve, every student of a class sends a card to every other student. If the total number of cards delivered is 1980, how many students are there in the class ?

45

47

43

41

45

47

43

41

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Number System
A basket contains eight white and ten black balls. Two draws of one ball each are made without replacement. What is the probability that one ball is white and the other ball is black ?

80/151

80/152

80/153

80/150

80/151

80/152

80/153

80/150

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Number System
If the letters of the word PREVIOUS be arranged at random, what is the probability that all the vowels come together ?

1/10

1/16

1/12

1/14

1/10

1/16

1/12

1/14

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Number System
In a 150-litre mixture of milk and water, the percentage of milk is 84%. How much water should be added so that the percentage of milk becomes 52.5% ?

90 litre

80 litre

95 litre

85 litre

90 litre

80 litre

95 litre

85 litre

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Number System

Number System If one-third of one fourth of a number is 15, then three-tenth of that number is:

Number System What is the value of ? in the following equations ? 72/? = ?/50

Number System On a new year eve, every student of a class sends a card to every other student. If the total number of cards delivered is 1980, how many students are there in the class ?

Number System A basket contains eight white and ten black balls. Two draws of one ball each are made without replacement. What is the probability that one ball is white and the other ball is black ?

Number System If the letters of the word PREVIOUS be arranged at random, what is the probability that all the vowels come together ?

Number System In a 150-litre mixture of milk and water, the percentage of milk is 84%. How much water should be added so that the percentage of milk becomes 52.5% ?

Number System
If one-third of one fourth of a number is 15, then three-tenth of that number is:

Number System
What is the value of ? in the following equations ? 72/? = ?/50

Number System
On a new year eve, every student of a class sends a card to every other student. If the total number of cards delivered is 1980, how many students are there in the class ?

Number System
A basket contains eight white and ten black balls. Two draws of one ball each are made without replacement. What is the probability that one ball is white and the other ball is black ?

Number System
If the letters of the word PREVIOUS be arranged at random, what is the probability that all the vowels come together ?

Number System
In a 150-litre mixture of milk and water, the percentage of milk is 84%. How much water should be added so that the percentage of milk becomes 52.5% ?