The least number of five digits which is exactly divisible by 12, 15 and 18, is :
Let N be the greatest number that will divide 1305, 4665 and 6905, leaving the same remainder in each case Then sum of the digits in N is :
The H.C.F. and L.C.M of two numbers are 11 and 385 respectively. If one number lies between 75 and 125, then that number is :
Which of the following has most number of divisors ?
The H.C.F. of 204, 1190 and 1445 is :
The product of the L.C.M. and H.C.E of two numbers is 24. The difference of two numbers is 2. Find the numhers
Which of the following is a pair of co-primes ?
Three numbers are in the ratio 1:2:3 and their H.C.F. is 12. 1 he numbers are :
Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two a 1073. The sum of the three numbers is :
The maximum number of students among them 1001 pens and 910 pencils can be distributed in such a way that each student gets the same number of pens and same number of pencils is :
The H.C.F. of 3666 and 3444 is :
The least rubber which is a perfect square and is divisible bv each of the numbers Jo, 20 and 24, is :
Four different electronic devices make a beep after every 30 minutes, 1 hour, 1.5 hourand 1 hour 45 minutes respectively. All the devices beeped together at 12 noon. They will again beep together at :
252 can be expressed as a product of primes as ;