A number when multiplied by five times of itself give the value equal to 1445. What is the number ?

Number System
A number when multiplied by five times of itself give the value equal to 1445. What is the number ?

17

18

16

15

17

18

16

15

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Number System
On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is:

48619

47649

47619

47719

48619

47649

47619

47719

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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 ?

43

45

41

47

43

45

41

47

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Number System
What is the least number, which is perfect square but contains 2700 as its factor?

5400

10800

1800

2700

5400

10800

1800

2700

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

60480

61480

63480

62480

60480

61480

63480

62480

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Number System
Two-third of a positive number and 25/216 of its reciprocal are equal. The number is:

12/5

25/144

144/25

5/12

12/5

25/144

144/25

5/12

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Number System

Number System A number when multiplied by five times of itself give the value equal to 1445. What is the number ?

Number System On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is:

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 What is the least number, which is perfect square but contains 2700 as its factor?

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

Number System Two-third of a positive number and 25/216 of its reciprocal are equal. The number is:

Number System
A number when multiplied by five times of itself give the value equal to 1445. What is the number ?

Number System
On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is:

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
What is the least number, which is perfect square but contains 2700 as its factor?

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

Number System
Two-third of a positive number and 25/216 of its reciprocal are equal. The number is: