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Q:
Product of digits of a 2-digit number is 27. If we add 54 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.
1779 0

Answer : 4. "39"

Q:
How may digit are required to write numbers from 1 to 50?
1777 0

Answer : 3. "91"

Q:
What is the greatest number which will divide 110 and 128 leaving a remainder 2 in each case?
1777 0

Answer : 1. "18"

Q:
Divide 32 into two parts such that the sum of the square of the parts is 674 what is the value of the parts?
1772 0

Answer : 1. "25, 7 "

Q:
How many natural numbers divisible by 7 are there between 3 and 200?
1770 0

Answer : 1. "28 "
Explanation :
Number just greater than 3 which is divisible by 7 = 7
Number just smaller than 200 which is divisible by 7 = 196
Here, a = 7, a_n = 196,
d = 7, n = 8
a_n= a + (n –1)d
⇒196 = 7 + (n – 1) × 7
⇒
⇒ n = 27 + 1 = 28
Note : We can find the answer after dividing 200 by 7. The quotient is our answer.

Q:
If difference of cube and square of a number is 100 and difference of square and number is 20, then value of number is
1763 0

Answer : 2. "5"

Q:
What least value must be assigned to ‘’ so that the number 63576 2 is divisible by 8?
1754 0

Answer : 3. "3"

Q:
The difference of a number consisting of two digits from the number formed by inter changing the digits is always divisible by:
1750 0

Q: Product of digits of a 2-digit number is 27. If we add 54 to the number, the new number obtained is a number formed by interchange of the digits. Find the number. 1779 05f0e7b131090a058653e73d3

Answer : 4. "39"

Q: How may digit are required to write numbers from 1 to 50? 1777 05dbbfadbdc36f4476522605a

Answer : 3. "91"

Q: What is the greatest number which will divide 110 and 128 leaving a remainder 2 in each case? 1777 06074020cc61d5c2ec940b217

Answer : 1. "18"

Q: Divide 32 into two parts such that the sum of the square of the parts is 674 what is the value of the parts? 1772 05f17e5249679b57327a865fa

Answer : 1. "25, 7 "

Q: How many natural numbers divisible by 7 are there between 3 and 200? 1770 05ee845d3a08a50198d8d094c

Q: If difference of cube and square of a number is 100 and difference of square and number is 20, then value of number is 1763 05e787b3af012602a3defbf83

Answer : 2. "5"

Q: What least value must be assigned to ‘*’ so that the number 63576 * 2 is divisible by 8? 1754 05dbfb75dc559bc74bfc42778

Answer : 3. "3"

Q: The difference of a number consisting of two digits from the number formed by inter changing the digits is always divisible by: 1750 05ee85125642b74661722bedc

Answer : 4. "9 "

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Q:
Product of digits of a 2-digit number is 27. If we add 54 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.
1779 0

Q:
How may digit are required to write numbers from 1 to 50?
1777 0

Q:
What is the greatest number which will divide 110 and 128 leaving a remainder 2 in each case?
1777 0

Q:
Divide 32 into two parts such that the sum of the square of the parts is 674 what is the value of the parts?
1772 0

Q:
How many natural numbers divisible by 7 are there between 3 and 200?
1770 0

Q:
If difference of cube and square of a number is 100 and difference of square and number is 20, then value of number is
1763 0

Q:
What least value must be assigned to ‘’ so that the number 63576 2 is divisible by 8?
1754 0

Q:
The difference of a number consisting of two digits from the number formed by inter changing the digits is always divisible by:
1750 0