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First month = Rs 200 Second month = Rs 180 Third month =Rs 160 Sum = n/2 {2a + ( n – 1 )d] a = 200 d = - 20 = (11/2) [2 x 200 + ( 11 – 1 ) (-20)] = (11/2) [400 – 20] = (11/2) x 200 = 1100 P = (200 x 11)/2 = 1,100 (P x R x T)/100 = S.I (1100 x R x 1)/(100 x 12) = 20 R = (12 x 20)/11 = 21(9/11) %
A waiter income consist of his salary and tips. During one week his tips were 4/5 of his salary. What portion of his income came from tips?
There are three numbers 'x', 'y' and 'z' (x < y < z) such that 'y' is equal to the average of 'x' and 'z'. 40% of 'z' is equal to 'x' and the difference...
Divide 45 into 4 parts such that if the first is increased by 2, the second is decrease by 2, the third is multiplied by 2 and the fourth divided by 2, ...
A sum of ₹25,740 is divided among A, B, and C in such a way that A gets 50% more than B, and B gets 25% more than C. Find the share of C.
'M' is the largest three-digit number that leaves 3 as a remainder when divided by 9, 12 and 5, Find the sum of digits of 'M'.
The mean of three distinct numbers is 30. If the third number is to the combined total of the first two numbers in the ratio 16:29, what is the sum of t...
How many two digits numbers are there which ends with 4 and completely divisible by '3'.
Consider a set of 11 distinct positive integers whose average is 20. If the average of the initial six integers in this set is 14, and the average of th...
If the numerator of a fraction is increased by 300% and the denominator is increase by 600%.The resultant fraction is 1/2. What was the original fraction?
Find the number of Digits required to write down the number of Pages in a 500 page book?
