Related Questions

The average age of A, B And C sis 30 years. If the difference between B's age and A's age is same as the difference between C's age and B's age . If D is 40 years older than B then what is the sum of the age B and D?
A 130 years
B 60 years
C 75 years
D 100 years
8 years ago, the ratio of A's age to B's age was 4 :5 At present the ratio of B's age and C's age is 4 : 5 At present , the difference between A's age and C's age is 20 years, then what is the sum of the ages of A, B and C?
A 138 years
B 164 years
C 148 years
D 152 years
H উচ্চতায় অবস্থিত একটি বেলুন থেকে একটি পাথর ছেড়ে দিলে তা । উচ্চতায় অবস্থিত একটি হেলানো তনের উপর আছড়ে পড়ে। হেলানো শুলকে আঘাতের পর পাথরটির বেগ আনুভূমিক হয়। h/H এর মান কত হলে পাথরটি ভূমিকে স্পর্শ করতে সর্বোচ্চ সময় নিবে? (A stone falls from a balloon at a height of H above the ground and hits an inclined plane in its path at a height of h. After impact, the velocity of the stone becomes horizontal. What should be the value of hill so that the stone will take maximum time to reach the ground?)
A H-hh
B 12
C 32
D hH-h
E 2
Son's age is one-third of father's age. In 12 years from now son's age will be one- half of the father's age. What is the age of the son at present?
A 6
B 10
C 24
D 12
Father's age is four times of his son's age now. Twenty years from now, father's age will be double his son's age. What will be the son's age ten years from now?
A 15
B 20
C 25
D 30
Neela got married 6 years ago. Today her age is 1.25 percent times her age at the time of marriage. Her son's age is 1/10 her age. Her son's age is:
A 3 years
B 2.5 years
C 2 years
D 4 years
A man's age is now 3 times his son's age. Eight years back, the man's age was 5 times his son's age. what is the present age of the son?
A 15
B 16
C 20
D 18
Son's age is now one-third of father's age. In twelve years from now son's age will be one half of the father's age . What is the son's age in years now ?
A 6
B 10
C 24
D 12
Son's age is now one third of father's age. In 12 years from now son's age will be one half of father's age. What is the son's age
A 6
B 10
C 12
D 24
The present age of son is half of the present age of his mother. Ten years ago, his mother's age was thrice the age of her son . What is the present age of the son?
A 25 years
B 20 years
C 30 years
D 40 years

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