NGM|1|2 | Numbers 11- 20

What is the unit digit in the product 7^71 × 3^46 × 2^125?

• 6

• 4

• 5

• 7

What is the 313th digit from the right in the number (6200)^156?

• 2

• 4

• 6

• 8

 If N is divided by 81, the quotient is 352 and the remainder is 3. What is the value of N?

• 30885

• 30555

• 28515

• 5

 A number, when divided by a certain divisor, leaves a remainder of 27. When twice the original number is divided by the same divisor, the remainder is 15. What is the value of the divisor?

• 35

• 40

• 39

• 50

A number is divided by 63, and the remainder is 29. If the same number is divided by 9, what will be the remainder?

• 1

• 2

• 3

• 4

When a number is divided by 72, it gives a remainder of 29. If the same number is divided by 25, what will be the remainder?

• 1

• 5

• 4

• Cannot be determined

The number obtained by interchanging the digits of a two-digit number is more than the original number by 36, and the sum of the digits is 10. What is the original number?

• 18

• 73

• 37

• 45

How many zeros are there at the end of 250! (250 factorial)?

• 62

• 60

• 50

• 52

Find the HCF of 72, 288, and 1080.

• 72

• 144

• 36

• 48

The product of two numbers is 1960. If their HCF is 14, what is their LCM?

• 360

• 720

• 140

• 1440