1.
Which of the following series is in descending order?
2.
M and N are two co-primes. Which of the following is / are true?
3.
What is the least integer by which 4500 should be multiplied so that it becomes a perfect cube?
4.
What is the HCF of two consecutive numbers?
5.
Find the least number which when divided by 5, 7and 8 leaves 3 as the remainder in each case.
6.
If the 4-digit number x27y is exactly divisible by 9, then the least value of (x+y) is
7.
What is the HCF of 4x27x3125, 8x9x25x7 and 16x81x5x11x49
8.
Three City buses leave the bus stop at 9.00 A.M. Bus A returns in every 30 minutes, Bus B returns in every 20 minutes and bus C returns in every 45 minutes. At what time all the buses will all return at the same time to the bus stop?
9.
H.C.F of two numbers is 16, then their LCM is
10.
It is given that 65610 is divisible by 27. Which two numbers nearest to 65610 are each divisible by 27?