Question
Ashish is studying late into the night and is hungry. He
opens his mother’s snack cupboard without switching on the lights, knowing that his mother has kept 10 packets of chips and biscuits in the cupboard. He pulls out 3 packets from the cupboard and all of them turn out to be chips. What is the probability that the snack cupboard contains 1 packet of biscuits and 9 packets of chips ?Solution
The correct answer is C
Six years ago, A was four times as old as B. Six years from now, A will be twice as old as B. Find their present ages.
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Present age of a Father is three times more than the age of his son. If six years ago, their ages were in ratio 7:1, respectively, then find the present...
Present age of X is 60% more than that of Y. Present age of Z, who is 5 years older than Y, is 25 years. After how many years from now, ratio of ages of...
"Amit and Bishnu's current ages are in the ratio 4:5. Chintu's age is 40% more than Amit's age. If Bishnu and Chintu's ages sum up to 106 years, what is...
A is younger than B by 3 years. If the ratio of A and B ages is 7:10 respectively, then find the age of A.
The present age of Surjeet and Rakesh are in the ratio of 4:5. After 8 years the ratio of their ages will be 6:7. What is 70% of the sum of their presen...
