Question
In ΔABC, AD and BE are perpendiculars from A and B to
the sides BC and AC, then-Solution
The number of marbles with ‘Ankit’ and ‘Bhavya’ together is 25 more than that with ‘Chetan’, while the number of marbles with ‘Bhavya’ a...
The sum of three numbers in AP is 21, and their product is 315. Find the numbers.
The 11th term of an AP is 80 less than the first term. If the second term is 88, find the third term.
what is the mean of given numbers 25, 15, 12, 23, 15,
The average weight of 16 people in a group is 75 kg. If the heaviest person who weighs 95 kg is replaced by a new person, and the average weight of the ...
The fourth term of an arithmetic progression is 6. Then the sum of first seven terms is:
If the median and mode of some observations is 5 and 9, respectively, then find the mean of those observations.
The sum to n terms of the series 1 + 1 + 3 + 1 + 3 + 5 + 1 + 3 + 5 + 7 …………………… is
‘479385A267’ is ten-digit number which is divisible by 9, what is the value of ‘A’?
If a, b, c are in geometric progression and a + b + c = 14, a² + b² + c² = 84, find a, b, c.
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