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Question 1

If the HCF and LCM of two numbers is respectively 23 and 805. If one of the numbers is 115, then find the other number?

Question 2

Find the remainder when 9231 is divided by 4?

Question 3

What is the least number that must be added to 1353 so that the number is exactly divisible by 21?

Question 4

Find the value of 5 ÷ 5 – [6 + {4 – 7 + (2 + 4 – 5) + 9} – 12]?

Question 5

Find the smallest 5 digit number that is exactly divisible by 372?

Question 6

Find the unit digit of 216 × 611 × 5116 × 613 × 627?

Question 7

Find the value of

Question 8

The sum of digits of a two digit number is given as 13. If the digits of the number are reversed, then the number is decreased by 45. Find the product of the digits of  number? 

Question 9

Find the number of perfect cubes that lie between 1 and 300?

Question 10

Find the HCF of 1680 and 1260?

Question 11

Find the LCM of

Question 12

Question 13

Find the product of 0.4 × 0.04 × 0.004 × 0.0004 × 0.00004?

Question 14

When the 15325 is divided by certain number it leaves 122 as quotient and 75 as remainder. Find the divisor?

Question 15

Simplify the expression

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