Question Text
Question 3 :
Five bells begin to toll together and toll respectively at intervals of $6, 5, 7, 10$ and $12$ seconds. How many times will they toll together in one hour excluding the one at the start?
Question 4 :
What least number must be subtracted from 13,601 to get a number exactly divisible by 87?
Question 5 :
The smallest number which when divided by 20, 25, 35 and 40 and leaves remainders as of 14, 19, 29 and 34 respectively is
Question 6 :
There are three numbers. The HCF of each pair is $15$ and the LCM of all the three numbers is $1890$. What is the product of the numbers ?
Question 7 :
Cost of 5 kg wheat is Rs 91.50 , what quantity of wheat (in kg) can be purchased in Rs 183 ?
Question 8 :
Length of a room is 30 m and its breadth is 20 m. So, the ratio of length of the room to the breadth of the room is ?
Question 10 :
Estimate 793 + 397 by rounding off each number to nearest hundreds.