Let C’s present age be x years. So, A’s present age = (x + 5) years And B’s present age = (x + 5 + 2) = (x + 7) years According to question, => x + 5 + x = 25 => 2x = 20 => x = 10 Required total sum = x + (x + 5) + (x + 7) = 3x + 12 = 42 years
If HCF of two numbers is 11 then which of the following can never be their LCM?
How many factors does the number 675 have in total?
The HCF of two numbers is 6 and their LCM is 84. If one of these numbers is 42, then the second number is:
From a point on circular track 20 km long P, Q and R started running in the same direction at the same time with speed of 4 km per hour, 2 km per hour, ...
Three boys step off together from the same spot. Their steps measure 64 cm, 80 cm and 88 cm respectively. The minimum distance each should cover so that...
Find the smallest multiple of 10 that, when divided by 4, 6, and 9, leaves a remainder of 4 in each case.