Question 3 :
If two given numbers are divisible by a number, then their difference is also divisible by that number. State true or false.
Question 4 :
Estimate the product 5981 × 4428 by rounding off each number to the nearest tens.
Question 5 :
State true or false. The number 58963 rounded off to nearest hundred is 58900.
Question 7 :
A merchant has 120 litres of oil of one kind, 180 litres of another kind and 240 litres of a third kind. He wants to sell the oil by filling the three kinds of oil in tins of equal capacity. What should be the greatest capacity of such a tin?
Question 8 :
The floor of a room is 8m 96cm long and 6m 72cm broad. Find the minimum number of square tiles of the same size needed to cover the entire floor
Question 10 :
State true or false. If a number is divisible by 2 and 3, then it is also divisible by 6. So, if a number is divisible by 2 and 4, it must be divisible by 8.
Question 12 :
Find a 4-digit odd number using each of the digits 1, 2, 4 and 5 only once such that when the first and the last digits are interchanged, it is divisible by 4.
Question 13 :
The smallest 4 digit number with different digits is __________ .
Question 14 :
Estimate the product 5981 × 4428 by rounding off each number to the nearest hundreds.
Question 15 :
Population of Agra and Aligarh districts in the year 2001 was 36,20,436 and 29,92,286 respectively. What was the total population of the two districts in that year?
Question 16 :
Determine the least number which when divided by 3, 4 and 5 leaves remainder 2 in each case.
Question 17 :
Determine the sum of the successor of 32 + predecessor of 49 + predecessor of the predecessor of 56 + successor of the successor of 67.
Question 19 :
If a number is divisible by another number, then it is divisible by each of the factors of that number. State true or false.
Question 21 :
A number for which sum of all its factors is equal to twice the number is a Perfect number. Is it true or false ?
Question 23 :
The population of a town is 450772. In a survey, it was reported that one out of every 14 persons is illiterate. In all how many illiterate persons are there in the town?
Question 24 :
In a colony of 100 blocks of flats numbering 1 to 100, a school van stops at every sixth block while a school bus stops at every tenth block. On which stops will both of them stop if they start from the entrance of the colony?
