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Start learning 50% faster. Sign in nowLet the present age of B be x years. A’s present age = (x + 2) years C’s present age = (x - 3) years According to question, => [(x + 2) + 6]/(x - 5) = 5/4 => x = 57 C’s age, 10 years ago = (57 - 3) – 10 = 44 years
If a cube of a number is subtracted from (153)², the number so obtained is 1457, Find the number.
Find the least number to be added to the largest 3-digit number which leaves remainder 6 when divided by 4, 5, and 7 so that the result becomes a perfec...
A school organizes a picnic for students. The cost of transportation is ₹8,000, and the food cost is ₹5,000. If there are 50 students attending the ...
In a class, 1/3 of the students are girls and rest are boys. If 3/5 of the girls and 1/5 of the boys are absent, what part of the total number of studen...
Sum of two digits of a two digit number is 11. When digits of the number are reversed then number formed is 45 more than the original number. Find the ...
In an examination, the number of those who have passed and the number of those who failed were in the ratio of 40 : 7. If 7 more had appeared and the nu...
What is the fourth proportional of √20, √30, and √18?
There are balls of three colours: blue, green, and white. The number of green balls is 8 more than the average number of balls of each colour. The numbe...
Determine the value of 'n' if '87n9812' is always divisible by 9.
