Can anyone’s age be a minus number? What does “minus 87” mean?
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Fifteen years from now Ravi’s age will be four times his present age. What is Ravi’s present age?
Let , the present age of Ravi be x Ravi's age after fifteen years = x+15 a\q, =>x+15 = 4x => 4x-x =15 => 3x =15 => x = 15/3 => x = 5 so,present age of Ravi...
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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 his mother’s present age.
At present, _________ Shobo's age = x years His mother's age = 6 times of Shobo's age = 6x years Five years from now ________________ Shobo's age = ( x + 5 ) years According to the problem given, x...
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Aman’s age is three times his son’s age. Ten years ago he was five times his son’s age. Find their present ages.
Son age be x Aman age is 3x ten years ago son age x-10 aman age 3x -10 A/Q 5(x-10) = 3x -10 5x -50 = 3x - 10 2x = 40 x =20 3x=60 son present age =20 aman present age = 60
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Seema’s present age is four times her son’s present age and four-seventh of her father’s present age.
(b) Let Seema’s present age be x years. Then, Seema’s son’s present age = x/4 years Seema’s father’s present age = 7x/4 years. Then, x+ x/4 +7x/4= 32x3 12x = 96 × 4 x = 96...
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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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Is there anyone in your class whose language you do not understand, or who does not understand yours? What do you do in such a case?
Yes, few days back a boy from Kerala has joined our class. We did not know each other’s languages so we talked using gestures and enjoyed very much doing so.
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In 1930, a person’s age was 8 times that of his shown. In 1938, the father's age became ten times that of his son’s age in 1930.
(c) Let son’s age in 1930 be x years then father’s age in 1930 will be 8x years In 1938, father’s age= (8x + 8) years As per the question, 8x + 8...
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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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Where was the snake before anyone saw it and chased it away? Where does the snake disappear?
The snake was lying on the sand till someone saw it and again chased it away. The snake disappeared in the ripples of the water among the green reeds.
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