Question

class 6th maths questions- 1. which is the largest number of 6 digits which is exactly divisible by 16 ? 2. find the least number divisible by 15, 20, 24, 32 and 36. 3. find the greatest number of five digits exactly divisible by 9,12 ,15, 18 and 24. 4. f

Answer 1

1)999984÷16=62499
2)idk
3)i-99999÷9=11111
   ii-99996÷12=8333
   iii-99990÷15=6666
   iv-99990÷18=5555
   v-99984÷24=4166
4)f

Answer 2

999999 is the largest 6 digit number.

Divide this number by 16.

Then subtract the remainder from 999999.

the smallest no. divisible by any two or more numbers is the L.C.M. of all those numbers.

therefore, taking the LCM of 15,20,24,32,and 36  

2*2*2*2*2*3*3*5*5= 7200

so 7200 is the required number.

LCM of 9, 12, 15, 18 and 24 by division method is 360.

Largest number of five digits = 99999

The quotient when 99999 is divided by 360 is 277 and the remainder is 279.

∴ Greatest number of five digits divisible by 9, 12, 15, 18 and 24 = 99999 - 279 = 99720.