What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ?

Number System
What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ?

7878

3434

4545

5656

7878

3434

4545

5656

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Number System
In a fraction, twice the numerator is two more than the denominator. If 3 is added to the numerator and the denominator each, then the resultant fraction will be 2/3 .What was the original fraction

17/12

11/12

7/12

19/12

17/12

11/12

7/12

19/12

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Number System
In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is

775

640

725

750

775

640

725

750

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Number System
In a two-digit number, the digit in unit's place is two more than three times the digit in ten's place. If the sum of the two digits is 10, what is the number ?

24

28

22

18

24

28

22

18

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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 ?

41

43

47

45

41

43

47

45

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Number System
If a + b = 16 and ab = 68, what is the value of a² + b² ?

120

124

116

112

120

124

116

112

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Number System

Number System What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ?

Number System In a fraction, twice the numerator is two more than the denominator. If 3 is added to the numerator and the denominator each, then the resultant fraction will be 2/3 .What was the original fraction

Number System In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is

Number System In a two-digit number, the digit in unit's place is two more than three times the digit in ten's place. If the sum of the two digits is 10, what is the number ?

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 If a + b = 16 and ab = 68, what is the value of a² + b² ?

Number System
What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ?

Number System
In a fraction, twice the numerator is two more than the denominator. If 3 is added to the numerator and the denominator each, then the resultant fraction will be 2/3 .What was the original fraction

Number System
In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is

Number System
In a two-digit number, the digit in unit's place is two more than three times the digit in ten's place. If the sum of the two digits is 10, what is the number ?

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
If a + b = 16 and ab = 68, what is the value of a² + b² ?