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South Korea became the first Asian country join in North Atlantic Treaty Organization Cooperative Cyber Defence Centre of Excellence. South Korea’s National Intelligence Service (NIS) is joined as a contributing participant in the NATO Cooperative Cyber Defence Centre of Excellence.
Six years ago, the age ratio of A to B was 5:6. In nine years, their age ratio will become 8:9. Determine the difference between their current ages.
Tap P can fill the tank in 5 hours and Tap Q can empty it in `7(1/2)` hours. Tap P starts filling and they opened for 1 hour each alternatively....
Present ages of 'A' and 'B' are in the ratio 3:5, respectively. If B's age, 14 years hence from now will be 2 times of A's age, 8 years ago from now, th...
The ratio of Sohan’s age 6 years ago to Meera’s age 6 years hence is 3:7. If the average of their present ages is 50 years, what is the difference b...
The present age of A is double of B's present age. C's present age is 3/5th of A's present age. Average age of A, B and C is 28 yrs. Find the present ag...
‘A’ is 8 years younger than ‘B’ and 6 years elder than ‘C’. If the present age of ‘B’ and ‘D’ is 30 years and 20 years, respectively...
A is younger than B by 2 years. If the ratio of A and B ages is 8:9 respectively, then find the age of A.
A girl’s age is 155% of what it was 10 years ago, but 55% of what it will be after 10 years. What is her present age?
The average of the current ages of Ram and his father is 44 years. In six years, Ram's age will be half of his father's age four years ago. What is the ...
Ratio of the present ages of Lisa and Mike is 6:x respectively. Five years hence from now, the sum of the ages of Lisa and Mike will be 65 years. Six ye...
