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Refers to firefighters' uniforms in some European countries.
A total of Rs. 558 was distributed among P, Q, R, S, T, and U. The amounts they received were in descending order and formed an arithmetic progression. ...
The mean of 10 observations is 8. One more observation is added, and the new mean becomes 9. What is the value of the 11th observation?
A spent 36% and 25% of his monthly salary on food and rent, respectively. Of the remaining amount, he gave 25% and 40% to his mother and brother, respec...
The marks obtained by 15 students out of a maximum of 25 in a test are given as 13, 11, 16, 15, 18, 12, 13, 14, 10, 22, 21, 20, 17, and 24. Find the sum...
If the sum of n numbers in the GP 3, 6, 12, ... is 765 then n is?
In an A.P a9 = 40, then find sum of first 17 terms of that A.P.
Pipe ‘A’ and pipe ‘B’ can fill a cistern in 20 minutes and 15 minutes respectively. Pipe ‘C’ alone can empty the cistern in 12 minutes. If a...
The first odd number is 1, second is 3, third is 5 and fourth is 7 and so on, then find the 188th odd number?
If the angular diameter of the sun is 20, how far from the eye a coin of radius 3.3 cm be kept to hide the sun?
The current age of Anupama is 25% greater than Chinky's age. Four years ago, the ages of Beena and Chinky were in the ratio of 4:...
