An urn contains 9 blue, 7 white and 4 black balls. If 2 balls are drawn at random, then what is the probability that only one ball is white ?

Number System
An urn contains 9 blue, 7 white and 4 black balls. If 2 balls are drawn at random, then what is the probability that only one ball is white ?

90/190

91/190

89/190

92/190

90/190

91/190

89/190

92/190

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Number System
In how many different ways can the letters of the word FORMULATE be arranged ?

372880

382880

362880

392880

372880

382880

362880

392880

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Number System
The sum of five consecutive odd numbers of set p is 435. What is the sum of five consecutive numbers of another set q. Whose largest number is 45 more than the largest number of set p?

670

770

530

730

670

770

530

730

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Number System
The sum of the ages of a son and father is 65 years. After 5 years the age of father will be double of the age of son. What is the age of son ?

18 years

19 years

17 years

20 years

18 years

19 years

17 years

20 years

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Number System
The sum of two numbers is 165 and the difference between them is 9. What is the average of these two numbers ?

82.5

85.5

83.5

84.5

82.5

85.5

83.5

84.5

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Number System
In a five-litre mixture of milk and water the portion of water is 30%. How much milk should be added to the mixture so that the portion of water reduces to 5% ?

21 litre

29 litre

17 litre

25 litre

21 litre

29 litre

17 litre

25 litre

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Number System

Number System An urn contains 9 blue, 7 white and 4 black balls. If 2 balls are drawn at random, then what is the probability that only one ball is white ?

Number System In how many different ways can the letters of the word FORMULATE be arranged ?

Number System The sum of five consecutive odd numbers of set p is 435. What is the sum of five consecutive numbers of another set q. Whose largest number is 45 more than the largest number of set p?

Number System The sum of the ages of a son and father is 65 years. After 5 years the age of father will be double of the age of son. What is the age of son ?

Number System The sum of two numbers is 165 and the difference between them is 9. What is the average of these two numbers ?

Number System In a five-litre mixture of milk and water the portion of water is 30%. How much milk should be added to the mixture so that the portion of water reduces to 5% ?

Number System
An urn contains 9 blue, 7 white and 4 black balls. If 2 balls are drawn at random, then what is the probability that only one ball is white ?

Number System
In how many different ways can the letters of the word FORMULATE be arranged ?

Number System
The sum of five consecutive odd numbers of set p is 435. What is the sum of five consecutive numbers of another set q. Whose largest number is 45 more than the largest number of set p?

Number System
The sum of the ages of a son and father is 65 years. After 5 years the age of father will be double of the age of son. What is the age of son ?

Number System
The sum of two numbers is 165 and the difference between them is 9. What is the average of these two numbers ?

Number System
In a five-litre mixture of milk and water the portion of water is 30%. How much milk should be added to the mixture so that the portion of water reduces to 5% ?