Question
The population of a city is decreased by 20% in the
first year and then increased by 30% in the second year. Find the population of the city at the end of the second year, if two years ago the population was 16,000.Solution
Required population = 16000 × 0.80 × 1.3 = 16640
Select the correct combination of mathematical signs that can sequentially replace the * signs and make the equation correct.
45 $ 5 $ 68 $ 17$ 12 = 37
If ‘P’ means (÷), ‘Q’ means (×), ‘R’ means (+), and ‘S’ means (-), then what is the value of the expression: 840 P 14 R 32 Q 8 S 99 R ...
- Which two signs should be interchanged to correct the given equation?
5 + 3 × 8 – 12 ÷ 4 = 3 If 'A' means '×', 'B' means '÷', 'C' means '+', and 'D' means '-', then what will come in the place of '?' in the given expression?
180 A 5 ...
Which among the given operators should replace the “%” (in the same order) in the given expression below:
8 % 13 % 8 % 69 % 36 % 9
Select the correct combination of mathematical signs to replace the '*' signs and to balance the given equation.
169 * 13 * 30 * 12 * 4 * 18 = 85
If A denotes ‘addition’, B denotes ‘multiplication’, C denotes ‘subtraction’, and D denotes ‘division’, then what will be the value of...
Select the correct combination of mathematical signs that can sequentially replace the sign * and make the equation correct.
8 * 12 * 7 * 5 * 3 * 201
Mohit and Sudesh bought pens and notebooks from the same shop. Mohit bought 3 pens and 6 notebooks by paying an amount of ₹180. Sudesh bought 5 pens a...
Two statements are given, followed by three conclusions numbered I. II and III. Assuming the statements to be true, even if they seem to be at variance...