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Start learning 50% faster. Sign in nowAccording to the question, 9000 – 7500 = (7500 × r × 24) ÷ (12 × 100) Or, 1500 = 150 × r Or, r = 10 When the sum is invested at compound interest, Effective rate of interest = (r + 20) ÷ 3 = (10 + 20) ÷ 3 = 10% Effective time period = 1 × 3 = 3 units Amount received = Principal × {1 + (r/100)}time period = 7500 × {1 + (10/100)}3 = 7500 × (1.1)3 = 9982.5
In a certain code of language, ‘+’ represents ‘x’, ‘-‘ represents ‘+’, ‘x’ represents ‘÷’ and ‘÷’ represents ‘-‘ what ...
If A denote ÷, B denotes x, C denotes + and D denotes -, what is the value of the given expression?
32 B 40 A 8 C 10 D 12
If 22 – 16 means 352, 450 + 50 means 9, 9 ÷ 3 means 12, 11 x 8 means 3, then ' 280 – 5 x 240 ÷ 450 + 9 x 26' = ?
Select the correct combination of mathematical signs that can sequentially replace the * signs and make the equation correct.
25 * 55 * 30 * 66 * 48 = 48
If ‘$’ means ‘÷’, ‘#’ means ‘×’, ‘@’ means ‘-’ and ‘%’ means ‘+’, then the value of 65 @ 21 $ 3 # 5 % 7
...A seller sold a vehicle for Rs. 81,000 with the loss of 10%. At what price be sold to earn 10% profit?
Select the correct sequence of mathematical signs to replace the ‘@’ signs so as to balance the given equation.
252 @ 28 @ 11 @ 5 @ 22 = 42
Which two signs should be interchanged to make the following equation correct?
7 × 6 ÷ 3 – 6 = 40 + 20
Select the correct combination of mathematical signs that can sequentially replace '*' sign and balance the equation given below.
88 * 16 * 4 * 1...
