What is the minimum voting age in India for men and women?
(A) 18 years for all (B) 18 and 21 (C) 21 and 18 (D) 24 and 28
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In how many ways a committee consisting of 5 men and 6 women can be formed from 8 men and 10 women?
(c) Here, 5 men out of 8 men and 6 women out of 10 women can be chosen in 8C5 × 10C6 ways, i.e., 11760 ways.
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The average age of 3 friends is 32 years. If the age of a fourth friend is added, their average age comes to 31 years.
(b) Age of the fourth friend = 31 × 4 - 32 × 3 = 124 - 96 = 28 years
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50 men or 80 women can finish a job in 50 days. A contractor deploys 40 men and 48 women for this
(b) Total number of working day = 50 × 50 = 2500 days for men For women it is equal to 4000 days For 1st 10 day means 40 men × 10...
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The Megaliths of South India are mainly associated with (a) Mesolithic age (b) Neolithic age (c) Chalcolithic age (d) Iron age
(d) Iron age
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Stone and copper were used in (a) Chalcolithic age (b) Neolithic age (c) Mesolithic age (d) Paleolithic age
(a) Chalcolithic age
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Present age of father is 42 years and that of his son is 14 years. Find the ratio of: (a) Present age of father to the present age of son.
(a) Ratio of father’s present age to that of son = 42/14 = 3/1 = 3:1 (b) When son was 12 years, i.e., 2 years ago, then father was (42 –...
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Amulya is x years of age now. 5 years ago her age was (A) (5 – x) years (B) (5 + x) years (C) (x – 5) years (D) (5 ÷x) years
The correct option is (C) (x – 5) years.
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Fifteen years from now Ravi’s age will be four times his present age. What is Ravi’s present age?
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Shobo’s mother’s present age is six times Shobo’s present age. Shobo’s age five years from now will be one third of this mother’s present age.
Let Shobo’s age be x years. Therefore, his mother’s age will be 6x years. According to the given question, After 5 years.Shobo's age = Shobo's mother's present age/3 x + 5 = 6x/3 x +...
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