Correct Answer : B
Three bells ring simultaneously at 11 a.m. They ring at regular intervals of 20 minutes, 30 minutes, 40 minutes respectively. The time when all the three rings together next is:
(A) 1.15 p.m.
(B) 1.30 p.m.
(C) 2 p.m.
(D) 1 p.m.
The largest number, which divides 25, 73 and 97 to leave the same remainder in each case, is
A General of an Army wants to create a formation of square from 36562 army men. After arrangement, he found some army men remained unused.
The LCM of three different numbers is 120. Which of the following cannot be their HCF?
The HCF of two numbers, each having three digits, is 17 and their LCM is 714. The sum of the numbers will be:
If the product of three consecutive numbers is 210 then the sum of the smaller numbers is:
Two numbers are in the ratio 3 : 4. Their L.C.M. is 84. The greater number is
Three sets of English, Mathematics and Science books containing 336, 240, 96 books respectively have to be stacked in such a way that all the books are stored subject wise and the height of each stack is the same. Total number of stacks will be:
The number of pairs of positive integers whose sum is 99 and HCF is 9 is: